global-economy
The Fourfold Invoice of Low Birth Rates: Labor, Pensions, Domestic Demand, and Fiscal Health Shaken Simultaneously
As of 2026, about 80 countries worldwide have fallen below the replacement fertility rate of 2.1, with South Korea, China, and Japan forming the most severely affected group in East Asia. Low birth rates simultaneously present four types of costs: labor shortages, contraction of domestic consumption, structural deficits in pensions and health insurance, and fiscal pressure on the state. Japan walked this path 30 years earlier, where social security spending eroded national finances, and is now pivoting toward policies that adapt to population decline alongside encouraging childbirth. China entered the same path faster and on a larger scale after its population began declining in 2022, facing a more difficult adaptation process of aging before becoming rich. However, institutions like IIASA argue that the equation of low birth rates equating to economic crises is exaggerated, emphasizing education, productivity investment, and institutional reform. For businesses, this also represents an opportunity for new demand in areas such as automation, healthcare, and eldercare.

As of 2026, about 80 countries worldwide have fallen below the replacement fertility rate of 2.1, with South Korea, China, and Japan forming the most severely affected group in East Asia. Low birth rates simultaneously present four types of costs: labor shortages, contraction of domestic consumption, structural deficits in pensions and health insurance, and fiscal pressure on the state. Japan walked this path 30 years earlier, where social security spending eroded national finances, and is now pivoting toward policies that adapt to population decline alongside encouraging childbirth. China entered the same path faster and on a larger scale after its population began declining in 2022, facing a more difficult adaptation process of aging before becoming rich. However, institutions like IIASA argue that the equation of low birth rates equating to economic crises is exaggerated, emphasizing education, productivity investment, and institutional reform. For businesses, this also represents an opportunity for new demand in areas such as automation, healthcare, and eldercare.
In 2026, as some 80 countries worldwide have fallen below the population maintenance line, East Asia stands at the forefront. We examine the signals that the diverging paths of Japan and China send to South Korean companies. Executive Summary As of 2026, approximately 80 countries—accounting for about half of the global population—have fallen below the replacement fertility rate of 2.1 births per woman. These are nations that have entered a zone where populations decline without immigration. Among them, the three East Asian countries of South Korea, China, and Japan record the lowest fertility rates in the world, standing at the forefront of demographic structural change. The impact of low birth rates on the economy is multifaceted. It manifests in four distinct ways: labor shortages and growth slowdowns driven by a shrinking working-age population; a contraction in the domestic market d…
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