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Japanese Industrialization and Economic Growth

Carl Mosk, University of Victoria

Japan achieved sustained growth in per capita income between the 1880s and 1970 through industrialization. Moving along an income growth trajectory through expansion of manufacturing is hardly unique. Indeed Western Europe, Canada, Australia and the United States all attained high levels of income per capita by shifting from agrarian-based production to manufacturing and technologically sophisticated service sector activity.

Still, there are four distinctive features of Japan’s development through industrialization that merit discussion:

The proto-industrial base

Japan’s agricultural productivity was high enough to sustain substantial craft (proto-industrial) production in both rural and urban areas of the country prior to industrialization.

Investment-led growth

Domestic investment in industry and infrastructure was the driving force behind growth in Japanese output. Both private and public sectors invested in infrastructure, national and local governments serving as coordinating agents for infrastructure build-up.

  • Investment in manufacturing capacity was largely left to the private sector.
  • Rising domestic savings made increasing capital accumulation possible.
  • Japanese growth was investment-led, not export-led.

Total factor productivity growth — achieving more output per unit of input — was rapid.

On the supply side, total factor productivity growth was extremely important. Scale economies — the reduction in per unit costs due to increased levels of output — contributed to total factor productivity growth. Scale economies existed due to geographic concentration, to growth of the national economy, and to growth in the output of individual companies. In addition, companies moved down the “learning curve,” reducing unit costs as their cumulative output rose and demand for their product soared.

The social capacity for importing and adapting foreign technology improved and this contributed to total factor productivity growth:

  • At the household level, investing in education of children improved social capability.
  • At the firm level, creating internalized labor markets that bound firms to workers and workers to firms, thereby giving workers a strong incentive to flexibly adapt to new technology, improved social capability.
  • At the government level, industrial policy that reduced the cost to private firms of securing foreign technology enhanced social capacity.

Shifting out of low-productivity agriculture into high productivity manufacturing, mining, and construction contributed to total factor productivity growth.


Sharply segmented labor and capital markets emerged in Japan after the 1910s. The capital intensive sector enjoying high ratios of capital to labor paid relatively high wages, and the labor intensive sector paid relatively low wages.

Dualism contributed to income inequality and therefore to domestic social unrest. After 1945 a series of public policy reforms addressed inequality and erased much of the social bitterness around dualism that ravaged Japan prior to World War II.

The remainder of this article will expand on a number of the themes mentioned above. The appendix reviews quantitative evidence concerning these points. The conclusion of the article lists references that provide a wealth of detailed evidence supporting the points above, which this article can only begin to explore.

The Legacy of Autarky and the Proto-Industrial Economy: Achievements of Tokugawa Japan (1600-1868)

Why Japan?

Given the relatively poor record of countries outside the European cultural area — few achieving the kind of “catch-up” growth Japan managed between 1880 and 1970 – the question naturally arises: why Japan? After all, when the United States forcibly “opened Japan” in the 1850s and Japan was forced to cede extra-territorial rights to a number of Western nations as had China earlier in the 1840s, many Westerners and Japanese alike thought Japan’s prospects seemed dim indeed.

Tokugawa achievements: urbanization, road networks, rice cultivation, craft production

In answering this question, Mosk (2001), Minami (1994) and Ohkawa and Rosovsky (1973) emphasize the achievements of Tokugawa Japan (1600-1868) during a long period of “closed country” autarky between the mid-seventeenth century and the 1850s: a high level of urbanization; well developed road networks; the channeling of river water flow with embankments and the extensive elaboration of irrigation ditches that supported and encouraged the refinement of rice cultivation based upon improving seed varieties, fertilizers and planting methods especially in the Southwest with its relatively long growing season; the development of proto-industrial (craft) production by merchant houses in the major cities like Osaka and Edo (now called Tokyo) and its diffusion to rural areas after 1700; and the promotion of education and population control among both the military elite (the samurai) and the well-to-do peasantry in the eighteenth and early nineteenth centuries.

Tokugawa political economy: daimyo and shogun

These developments were inseparable from the political economy of Japan. The system of confederation government introduced at the end of the fifteenth century placed certain powers in the hands of feudal warlords, daimyo, and certain powers in the hands of the shogun, the most powerful of the warlords. Each daimyo — and the shogun — was assigned a geographic region, a domain, being given taxation authority over the peasants residing in the villages of the domain. Intercourse with foreign powers was monopolized by the shogun, thereby preventing daimyo from cementing alliances with other countries in an effort to overthrow the central government. The samurai military retainers of the daimyo were forced to abandon rice farming and reside in the castle town headquarters of their daimyo overlord. In exchange, samurai received rice stipends from the rice taxes collected from the villages of their domain. By removing samurai from the countryside — by demilitarizing rural areas — conflicts over local water rights were largely made a thing of the past. As a result irrigation ditches were extended throughout the valleys, and riverbanks were shored up with stone embankments, facilitating transport and preventing flooding.

The sustained growth of proto-industrialization in urban Japan, and its widespread diffusion to villages after 1700 was also inseparable from the productivity growth in paddy rice production and the growing of industrial crops like tea, fruit, mulberry plant growing (that sustained the raising of silk cocoons) and cotton. Indeed, Smith (1988) has given pride of place to these “domestic sources” of Japan’s future industrial success.

Readiness to emulate the West

As a result of these domestic advances, Japan was well positioned to take up the Western challenge. It harnessed its infrastructure, its high level of literacy, and its proto-industrial distribution networks to the task of emulating Western organizational forms and Western techniques in energy production, first and foremost enlisting inorganic energy sources like coal and the other fossil fuels to generate steam power. Having intensively developed the organic economy depending upon natural energy flows like wind, water and fire, Japanese were quite prepared to master inorganic production after the Black Ships of the Americans forced Japan to jettison its long-standing autarky.

From Balanced to Dualistic Growth, 1887-1938: Infrastructure and Manufacturing Expand

Fukoku Kyohei

After the Tokugawa government collapsed in 1868, a new Meiji government committed to the twin policies of fukoku kyohei (wealthy country/strong military) took up the challenge of renegotiating its treaties with the Western powers. It created infrastructure that facilitated industrialization. It built a modern navy and army that could keep the Western powers at bay and establish a protective buffer zone in North East Asia that eventually formed the basis for a burgeoning Japanese empire in Asia and the Pacific.

Central government reforms in education, finance and transportation

Jettisoning the confederation style government of the Tokugawa era, the new leaders of the new Meiji government fashioned a unitary state with powerful ministries consolidating authority in the capital, Tokyo. The freshly minted Ministry of Education promoted compulsory primary schooling for the masses and elite university education aimed at deepening engineering and scientific knowledge. The Ministry of Finance created the Bank of Japan in 1882, laying the foundations for a private banking system backed up a lender of last resort. The government began building a steam railroad trunk line girding the four major islands, encouraging private companies to participate in the project. In particular, the national government committed itself to constructing a Tokaido line connecting the Tokyo/Yokohama region to the Osaka/Kobe conurbation along the Pacific coastline of the main island of Honshu, and to creating deepwater harbors at Yokohama and Kobe that could accommodate deep-hulled steamships.

Not surprisingly, the merchants in Osaka, the merchant capital of Tokugawa Japan, already well versed in proto-industrial production, turned to harnessing steam and coal, investing heavily in integrated spinning and weaving steam-driven textile mills during the 1880s.

Diffusion of best-practice agriculture

At the same time, the abolition of the three hundred or so feudal fiefs that were the backbone of confederation style-Tokugawa rule and their consolidation into politically weak prefectures, under a strong national government that virtually monopolized taxation authority, gave a strong push to the diffusion of best practice agricultural technique. The nationwide diffusion of seed varieties developed in the Southwest fiefs of Tokugawa Japan spearheaded a substantial improvement in agricultural productivity especially in the Northeast. Simultaneously, expansion of agriculture using traditional Japanese technology agriculture and manufacturing using imported Western technology resulted.

Balanced growth

Growth at the close of the nineteenth century was balanced in the sense that traditional and modern technology using sectors grew at roughly equal rates, and labor — especially young girls recruited out of farm households to labor in the steam using textile mills — flowed back and forth between rural and urban Japan at wages that were roughly equal in industrial and agricultural pursuits.

Geographic economies of scale in the Tokaido belt

Concentration of industrial production first in Osaka and subsequently throughout the Tokaido belt fostered powerful geographic scale economies (the ability to reduce per unit costs as output levels increase), reducing the costs of securing energy, raw materials and access to global markets for enterprises located in the great harbor metropolises stretching from the massive Osaka/Kobe complex northward to the teeming Tokyo/Yokohama conurbation. Between 1904 and 1911, electrification mainly due to the proliferation of intercity electrical railroads created economies of scale in the nascent industrial belt facing outward onto the Pacific. The consolidation of two huge hydroelectric power grids during the 1920s — one servicing Tokyo/Yokohama, the other Osaka and Kobe — further solidified the comparative advantage of the Tokaido industrial belt in factory production. Finally, the widening and paving during the 1920s of roads that could handle buses and trucks was also pioneered by the great metropolises of the Tokaido, which further bolstered their relative advantage in per capita infrastructure.

Organizational economies of scale — zaibatsu

In addition to geographic scale economies, organizational scale economies also became increasingly important in the late nineteenth centuries. The formation of the zaibatsu (“financial cliques”), which gradually evolved into diversified industrial combines tied together through central holding companies, is a case in point. By the 1910s these had evolved into highly diversified combines, binding together enterprises in banking and insurance, trading companies, mining concerns, textiles, iron and steel plants, and machinery manufactures. By channeling profits from older industries into new lines of activity like electrical machinery manufacturing, the zaibatsu form of organization generated scale economies in finance, trade and manufacturing, drastically reducing information-gathering and transactions costs. By attracting relatively scare managerial and entrepreneurial talent, the zaibatsu format economized on human resources.


The push into electrical machinery production during the 1920s had a revolutionary impact on manufacturing. Effective exploitation of steam power required the use of large central steam engines simultaneously driving a large number of machines — power looms and mules in a spinning/weaving plant for instance – throughout a factory. Small enterprises did not mechanize in the steam era. But with electrification the “unit drive” system of mechanization spread. Each machine could be powered up independently of one another. Mechanization spread rapidly to the smallest factory.

Emergence of the dualistic economy

With the drive into heavy industries — chemicals, iron and steel, machinery — the demand for skilled labor that would flexibly respond to rapid changes in technique soared. Large firms in these industries began offering premium wages and guarantees of employment in good times and bad as a way of motivating and holding onto valuable workers. A dualistic economy emerged during the 1910s. Small firms, light industry and agriculture offered relatively low wages. Large enterprises in the heavy industries offered much more favorable remuneration, extending paternalistic benefits like company housing and company welfare programs to their “internal labor markets.” As a result a widening gulf opened up between the great metropolitan centers of the Tokaido and rural Japan. Income per head was far higher in the great industrial centers than in the hinterland.

Clashing urban/rural and landlord/tenant interests

The economic strains of emergent dualism were amplified by the slowing down of technological progress in the agricultural sector, which had exhaustively reaped the benefits due to regional diffusion from the Southwest to the Northeast of best practice Tokugawa rice cultivation. Landlords — around 45% of the cultivable rice paddy land in Japan was held in some form of tenancy at the beginning of the twentieth century — who had played a crucial role in promoting the diffusion of traditional best practice techniques now lost interest in rural affairs and turned their attention to industrial activities. Tenants also found their interests disregarded by the national authorities in Tokyo, who were increasingly focused on supplying cheap foodstuffs to the burgeoning industrial belt by promoting agricultural production within the empire that it was assembling through military victories. Japan secured Taiwan from China in 1895, and formally brought Korea under its imperial rule in 1910 upon the heels of its successful war against Russia in 1904-05. Tenant unions reacted to this callous disrespect of their needs through violence. Landlord/tenant disputes broke out in the early 1920s, and continued to plague Japan politically throughout the 1930s, calls for land reform and bureaucratic proposals for reform being rejected by a Diet (Japan’s legislature) politically dominated by landlords.

Japan’s military expansion

Japan’s thrust to imperial expansion was inflamed by the growing instability of the geopolitical and international trade regime of the later 1920s and early 1930s. The relative decline of the United Kingdom as an economic power doomed a gold standard regime tied to the British pound. The United States was becoming a potential contender to the United Kingdom as the backer of a gold standard regime but its long history of high tariffs and isolationism deterred it from taking over leadership in promoting global trade openness. Germany and the Soviet Union were increasingly becoming industrial and military giants on the Eurasian land mass committed to ideologies hostile to the liberal democracy championed by the United Kingdom and the United States. It was against this international backdrop that Japan began aggressively staking out its claim to being the dominant military power in East Asia and the Pacific, thereby bringing it into conflict with the United States and the United Kingdom in the Asian and Pacific theaters after the world slipped into global warfare in 1939.

Reform and Reconstruction in a New International Economic Order, Japan after World War II

Postwar occupation: economic and institutional restructuring

Surrendering to the United States and its allies in 1945, Japan’s economy and infrastructure was revamped under the S.C.A.P (Supreme Commander of the Allied Powers) Occupation lasting through 1951. As Nakamura (1995) points out, a variety of Occupation-sponsored reforms transformed the institutional environment conditioning economic performance in Japan. The major zaibatsu were liquidated by the Holding Company Liquidation Commission set up under the Occupation (they were revamped as keiretsu corporate groups mainly tied together through cross-shareholding of stock in the aftermath of the Occupation); land reform wiped out landlordism and gave a strong push to agricultural productivity through mechanization of rice cultivation; and collective bargaining, largely illegal under the Peace Preservation Act that was used to suppress union organizing during the interwar period, was given the imprimatur of constitutional legality. Finally, education was opened up, partly through making middle school compulsory, partly through the creation of national universities in each of Japan’s forty-six prefectures.

Improvement in the social capability for economic growth

In short, from a domestic point of view, the social capability for importing and adapting foreign technology was improved with the reforms in education and the fillip to competition given by the dissolution of the zaibatsu. Resolving tension between rural and urban Japan through land reform and the establishment of a rice price support program — that guaranteed farmers incomes comparable to blue collar industrial workers — also contributed to the social capacity to absorb foreign technology by suppressing the political divisions between metropolitan and hinterland Japan that plagued the nation during the interwar years.

Japan and the postwar international order

The revamped international economic order contributed to the social capability of importing and adapting foreign technology. The instability of the 1920s and 1930s was replaced with replaced with a relatively predictable bipolar world in which the United States and the Soviet Union opposed each other in both geopolitical and ideological arenas. The United States became an architect of multilateral architecture designed to encourage trade through its sponsorship of the United Nations, the World Bank, the International Monetary Fund and the General Agreement on Tariffs and Trade (the predecessor to the World Trade Organization). Under the logic of building military alliances to contain Eurasian Communism, the United States brought Japan under its “nuclear umbrella” with a bilateral security treaty. American companies were encouraged to license technology to Japanese companies in the new international environment. Japan redirected its trade away from the areas that had been incorporated into the Japanese Empire before 1945, and towards the huge and expanding American market.

Miracle Growth: Soaring Domestic Investment and Export Growth, 1953-1970

Its infrastructure revitalized through the Occupation period reforms, its capacity to import and export enhanced by the new international economic order, and its access to American technology bolstered through its security pact with the United States, Japan experienced the dramatic “Miracle Growth” between 1953 and the early 1970s whose sources have been cogently analyzed by Denison and Chung (1976). Especially striking in the Miracle Growth period was the remarkable increase in the rate of domestic fixed capital formation, the rise in the investment proportion being matched by a rising savings rate whose secular increase — especially that of private household savings – has been well documented and analyzed by Horioka (1991). While Japan continued to close the gap in income per capita between itself and the United States after the early 1970s, most scholars believe that large Japanese manufacturing enterprises had by and large become internationally competitive by the early 1970s. In this sense it can be said that Japan had completed its nine decade long convergence to international competitiveness through industrialization by the early 1970s.


There is little doubt that the social capacity to import and adapt foreign technology was vastly improved in the aftermath of the Pacific War. Creating social consensus with Land Reform and agricultural subsidies reduced political divisiveness, extending compulsory education and breaking up the zaibatsu had a positive impact. Fashioning the Ministry of International Trade and Industry (M.I.T.I.) that took responsibility for overseeing industrial policy is also viewed as facilitating Japan’s social capability. There is no doubt that M.I.T.I. drove down the cost of securing foreign technology. By intervening between Japanese firms and foreign companies, it acted as a single buyer of technology, playing off competing American and European enterprises in order to reduce the royalties Japanese concerns had to pay on technology licenses. By keeping domestic patent periods short, M.I.T.I. encouraged rapid diffusion of technology. And in some cases — the experience of International Business Machines (I.B.M.), enjoying a virtual monopoly in global mainframe computer markets during the 1950s and early 1960s, is a classical case — M.I.T.I. made it a condition of entry into the Japanese market (through the creation of a subsidiary Japan I.B.M. in the case of I.B.M.) that foreign companies share many of their technological secrets with potential Japanese competitors.

How important industrial policy was for Miracle Growth remains controversial, however. The view of Johnson (1982), who hails industrial policy as a pillar of the Japanese Development State (government promoting economic growth through state policies) has been criticized and revised by subsequent scholars. The book by Uriu (1996) is a case in point.

Internal labor markets, just-in-time inventory and quality control circles

Furthering the internalization of labor markets — the premium wages and long-term employment guarantees largely restricted to white collar workers were extended to blue collar workers with the legalization of unions and collective bargaining after 1945 — also raised the social capability of adapting foreign technology. Internalizing labor created a highly flexible labor force in post-1950 Japan. As a result, Japanese workers embraced many of the key ideas of Just-in-Time inventory control and Quality Control circles in assembly industries, learning how to do rapid machine setups as part and parcel of an effort to produce components “just-in-time” and without defect. Ironically, the concepts of just-in-time and quality control were originally developed in the United States, just-in-time methods being pioneered by supermarkets and quality control by efficiency experts like W. Edwards Deming. Yet it was in Japan that these concepts were relentlessly pursued to revolutionize assembly line industries during the 1950s and 1960s.

Ultimate causes of the Japanese economic “miracle”

Miracle Growth was the completion of a protracted historical process involving enhancing human capital, massive accumulation of physical capital including infrastructure and private manufacturing capacity, the importation and adaptation of foreign technology, and the creation of scale economies, which took decades and decades to realize. Dubbed a miracle, it is best seen as the reaping of a bountiful harvest whose seeds were painstakingly planted in the six decades between 1880 and 1938. In the course of the nine decades between the 1880s and 1970, Japan amassed and lost a sprawling empire, reorienting its trade and geopolitical stance through the twists and turns of history. While the ultimate sources of growth can be ferreted out through some form of statistical accounting, the specific way these sources were marshaled in practice is inseparable from the history of Japan itself and of the global environment within which it has realized its industrial destiny.

Appendix: Sources of Growth Accounting and Quantitative Aspects of Japan’s Modern Economic Development

One of the attractions of studying Japan’s post-1880 economic development is the abundance of quantitative data documenting Japan’s growth. Estimates of Japanese income and output by sector, capital stock and labor force extend back to the 1880s, a period when Japanese income per capita was low. Consequently statistical probing of Japan’s long-run growth from relative poverty to abundance is possible.

The remainder of this appendix is devoted to introducing the reader to the vast literature on quantitative analysis of Japan’s economic development from the 1880s until 1970, a nine decade period during which Japanese income per capita converged towards income per capita levels in Western Europe. As the reader will see, this discussion confirms the importance of factors discussed at the outset of this article.

Our initial touchstone is the excellent “sources of growth” accounting analysis carried out by Denison and Chung (1976) on Japan’s growth between 1953 and 1971. Attributing growth in national income in growth of inputs, the factors of production — capital and labor — and growth in output per unit of the two inputs combined (total factor productivity) along the following lines:

G(Y) = { a G(K) + [1-a] G(L) } + G (A)

where G(Y) is the (annual) growth of national output, g(K) is the growth rate of capital services, G(L) is the growth rate of labor services, a is capital’s share in national income (the share of income accruing to owners of capital), and G(A) is the growth of total factor productivity, is a standard approach used to approximate the sources of growth of income.

Using a variant of this type of decomposition that takes into account improvements in the quality of capital and labor, estimates of scale economies and adjustments for structural change (shifting labor out of agriculture helps explain why total factor productivity grows), Denison and Chung (1976) generate a useful set of estimates for Japan’s Miracle Growth era.

Operating with this “sources of growth” approach and proceeding under a variety of plausible assumptions, Denison and Chung (1976) estimate that of Japan’s average annual real national income growth of 8.77 % over 1953-71, input growth accounted for 3.95% (accounting for 45% of total growth) and growth in output per unit of input contributed 4.82% (accounting for 55% of total growth). To be sure, the precise assumptions and techniques they use can be criticized. The precise numerical results they arrive at can be argued over. Still, their general point — that Japan’s growth was the result of improvements in the quality of factor inputs — health and education for workers, for instance — and improvements in the way these inputs are utilized in production — due to technological and organizational change, reallocation of resources from agriculture to non-agriculture, and scale economies, is defensible.

With this in mind consider Table 1.

Table 1: Industrialization and Economic Growth in Japan, 1880-1970:
Selected Quantitative Characteristics

Panel A: Income and Structure of National Output

Real Income per Capita [a] Share of National Output (of Net Domestic Product) and Relative Labor Productivity (Ratio of Output per Worker in Agriculture to Output per Worker in the N Sector) [b]
Years Absolute Relative to U.S. level Year Agriculture Manufacturing & Mining



Construction & Facilitating Sectors [b]

Relative Labor Productivity


1881-90 893 26.7% 1887 42.5% 13.6% 20.0% 68.3
1891-1900 1,049 28.5 1904 37.8 17.4 25.8 44.3
1900-10 1,195 25.3 1911 35.5 20.3 31.1 37.6
1911-20 1,479 27.9 1919 29.9 26.2 38.3 32.5
1921-30 1,812 29.1 1930 20.0 25.8 43.3 27.4
1930-38 2,197 37.7 1938 18.5 35.3 51.7 20.8
1951-60 2,842 26.2 1953 22.0 26.3 39.7 22.6
1961-70 6,434 47.3 1969 8.7 30.5 45.9 19.1

Panel B: Domestic and External Sources of Aggregate Supply and Demand Growth: Manufacturing and Mining (Ma), Gross Domestic Fixed Capital Formation (GDFCF), and Trade (TR)

Percentage Contribution to Growth due to: Trade Openness and Trade Growth [c]
Years Ma to Output Growth GDFCF to Effective

Demand Growth

Years Openness Growth in Trade
1888-1900 19.3% 17.9% 1885-89 6.9% 11.4%
1900-10 29.2 30.5 1890-1913 16.4 8.0
1910-20 26.5 27.9 1919-29 32.4 4.6
1920-30 42.4 7.5 1930-38 43.3 8.1
1930-38 50.5 45.3 1954-59 19.3 12.0
1955-60 28.1 35.0 1960-69 18.5 10.3
1960-70 33.5 38.5

Panel C: Infrastructure and Human Development

Human Development Index (HDI) [d] Electricity Generation and National Broadcasting (NHK) per 100 Persons [e]
Year Educational Attainment Infant Mortality Rate (IMR) Overall HDI


Year Electricity NHK Radio Subscribers
1900 0.57 155 0.57 1914 0.28 n.a.
1910 0.69 161 0.61 1920 0.68 n.a.
1920 0.71 166 0.64 1930 2.46 1.2
1930 0.73 124 0.65 1938 4.51 7.8
1950 0.81 63 0.69 1950 5.54 11.0
1960 0.87 34 0.75 1960 12.28 12.6
1970 0.95 14 0.83 1970 34.46 21.9

Notes: [a] Maddison (2000) provides estimates of real income that take into account the purchasing power of national currencies.

[b] Ohkawa (1979) gives estimates for the “N” sector that is defined as manufacturing and mining (Ma) plus construction plus facilitating industry (transport, communications and utilities). It should be noted that the concept of an “N” sector is not standard in the field of economics.

[c] The estimates of trade are obtained by adding merchandise imports to merchandise exports. Trade openness is estimated by taking the ratio of total (merchandise) trade to national output, the latter defined as Gross Domestic Product (G.D.P.). The trade figures include trade with Japan’s empire (Korea, Taiwan, Manchuria, etc.); the income figures for Japan exclude income generated in the empire.

[d] The Human Development Index is a composite variable formed by adding together indices for educational attainment, for health (using life expectancy that is inversely related to the level of the infant mortality rate, the IMR), and for real per capita income. For a detailed discussion of this index see United Nations Development Programme (2000).

[e] Electrical generation is measured in million kilowatts generated and supplied. For 1970, the figures on NHK subscribers are for television subscribers. The symbol n.a. = not available.

Sources: The figures in this table are taken from various pages and tables in Japan Statistical Association (1987), Maddison (2000), Minami (1994), and Ohkawa (1979).

Flowing from this table are a number of points that bear lessons of the Denison and Chung (1976) decomposition. One cluster of points bears upon the timing of Japan’s income per capita growth and the relationship of manufacturing expansion to income growth. Another highlights improvements in the quality of the labor input. Yet another points to the overriding importance of domestic investment in manufacturing and the lesser significance of trade demand. A fourth group suggests that infrastructure has been important to economic growth and industrial expansion in Japan, as exemplified by the figures on electricity generating capacity and the mass diffusion of communications in the form of radio and television broadcasting.

Several parts of Table 1 point to industrialization, defined as an increase in the proportion of output (and labor force) attributable to manufacturing and mining, as the driving force in explaining Japan’s income per capita growth. Notable in Panels A and B of the table is that the gap between Japanese and American income per capita closed most decisively during the 1910s, the 1930s, and the 1960s, precisely the periods when manufacturing expansion was the most vigorous.

Equally noteworthy of the spurts of the 1910s, 1930s and the 1960s is the overriding importance of gross domestic fixed capital formation, that is investment, for growth in demand. By contrast, trade seems much less important to growth in demand during these critical decades, a point emphasized by both Minami (1994) and by Ohkawa and Rosovsky (1973). The notion that Japanese growth was “export led” during the nine decades between 1880 and 1970 when Japan caught up technologically with the leading Western nations is not defensible. Rather, domestic capital investment seems to be the driving force behind aggregate demand expansion. The periods of especially intense capital formation were also the periods when manufacturing production soared. Capital formation in manufacturing, or in infrastructure supporting manufacturing expansion, is the main agent pushing long-run income per capita growth.

Why? As Ohkawa and Rosovsky (1973) argue, spurts in manufacturing capital formation were associated with the import and adaptation of foreign technology, especially from the United States These investment spurts were also associated with shifts of labor force out of agriculture and into manufacturing, construction and facilitating sectors where labor productivity was far higher than it was in labor-intensive farming centered around labor-intensive rice cultivation. The logic of productivity gain due to more efficient allocation of labor resources is apparent from the right hand column of Panel A in Table 1.

Finally, Panel C of Table 1 suggests that infrastructure investment that facilitated health and educational attainment (combined public and private expenditure on sanitation, schools and research laboratories), and public/private investment in physical infrastructure including dams and hydroelectric power grids helped fuel the expansion of manufacturing by improving human capital and by reducing the costs of transportation, communications and energy supply faced by private factories. Mosk (2001) argues that investments in human-capital-enhancing (medicine, public health and education), financial (banking) and physical infrastructure (harbors, roads, power grids, railroads and communications) laid the groundwork for industrial expansions. Indeed, the “social capability for importing and adapting foreign technology” emphasized by Ohkawa and Rosovsky (1973) can be largely explained by an infrastructure-driven growth hypothesis like that given by Mosk (2001).

In sum, Denison and Chung (1976) argue that a combination of input factor improvement and growth in output per combined factor inputs account for Japan’s most rapid spurt of economic growth. Table 1 suggests that labor quality improved because health was enhanced and educational attainment increased; that investment in manufacturing was important not only because it increased capital stock itself but also because it reduced dependence on agriculture and went hand in glove with improvements in knowledge; and that the social capacity to absorb and adapt Western technology that fueled improvements in knowledge was associated with infrastructure investment.


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Citation: Mosk, Carl. “Japan, Industrialization and Economic Growth”. EH.Net Encyclopedia, edited by Robert Whaples. January 18, 2004. URL