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Each indicator compares both countries within the same source series, unit, period type and reference period. Years may differ between indicators.
Country pages: Japan · South Korea
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Each axis shows a 0–100 relative position: 0 is a lower raw value and 100 a higher one. Higher does not mean better; area and axes are not a combined score.
Differences use values before display rounding, so they may differ from subtracting the rounded figures shown.
Bars show relative size from zero. Higher does not mean better.
Sources and data-use informationThe notes below use the currently published values. Years and sources may differ across indicators.
Japan $35,951 / South Korea $36,227
Reference period: 2025 · World Bank · World Development Indicators
Raw difference, left minus right: -$276. The raw value for South Korea is higher than for Japan. This establishes neither superiority nor the cause of the difference. This is an economy-wide average, not a person's salary or a household's disposable income. The same average can coexist with different income distributions.
Japan 49 years / South Korea 44.5 years
Reference period: 2023 · UN DESA Population Division · World Population Prospects 2024
EstimatedRaw difference, left minus right: 4.47 years. The raw value for Japan is higher than for South Korea. This establishes neither superiority nor the cause of the difference. Median age differs from mean age. It locates the middle of the population, but does not directly give the older-age or working-age share.
Japan 1.208 births per woman / South Korea 0.72 births per woman
Reference period: 2023 · UN DESA Population Division · World Population Prospects 2024
EstimatedRaw difference, left minus right: 0.49 births per woman. The raw value for Japan is higher than for South Korea. This establishes neither superiority nor the cause of the difference. Total fertility rate is not the year's number of births or the completed family size of women who have finished childbearing. It summarizes age-specific fertility in a period.
World Bank · World Development Indicators
Exact values by period are available in the table below.
| Reference period | Japan | South Korea | Difference (left − right) |
|---|---|---|---|
| 2016 | 127,076,000 people | 51,217,803 people | 75,858,197 people |
| 2017 | 126,972,000 people | 51,361,911 people | 75,610,089 people |
| 2018 | 126,811,000 people | 51,585,058 people | 75,225,942 people |
| 2019 | 126,633,000 people | 51,764,822 people | 74,868,178 people |
| 2020 | 126,261,000 people | 51,836,239 people | 74,424,761 people |
| 2021 | 125,681,593 people | 51,769,539 people | 73,912,054 people |
| 2022 | 125,124,989 people | 51,672,569 people | 73,452,420 people |
| 2023 | 124,516,650 people | 51,712,619 people | 72,804,031 people |
| 2024 | 123,975,371 people | 51,751,065 people | 72,224,306 people |
| 2025 | 123,366,734 people | 51,684,564 people | 71,682,170 people |