Japan vs Türkiye
Japan has 1.4× the population of Türkiye: 123,366,734 vs 85,878,556, a gap of 37.5 million. Türkiye is growing faster (+0.42% vs −0.49% a year), adding about 360,651 people a year against −607,141. Using continuous exponential growth from the stated base year, if these rates held, Türkiye would overtake Japan in about 40 years (from the 2025 population bases, around 2065) — a projection, not a forecast. Japan is the older society: 30.0% aged 65+ against 10.6% in Türkiye, while Türkiye has more children (21.0% under 15 vs 11.2%). Japan is 3.1× as densely populated (341.5 vs 110.9 people per km²). People in Japan live 6.6 years longer on average (84.0 vs 77.4). GDP per capita is 1.9× higher in Japan ($35,951 vs $18,599).
Country/territory population bases: World Bank 2025 (Japan) and 2025 (Türkiye); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Japan vs Türkiye — side by side
 Japan |  Türkiye | |
|---|---|---|
| Population | 123,366,7342025 | 85,878,5562025 |
| Growth rate / yr | −0.49%2025 | +0.42%2025 |
| Births per 1,000 | 5.72024 | 11.02024 |
| Deaths per 1,000 | 13.32024 | 5.72024 |
| Children per woman | 1.152024 | 1.482024 |
| Life expectancy | 84.0 yrs2024 | 77.4 yrs2024 |
| Aged 0–14 | 11.2%2025 | 21.0%2025 |
| Aged 65+ | 30.0%2025 | 10.6%2025 |
| Density | 341.5 /km²2023 | 110.9 /km²2023 |
| Area | 377,969 km²2023 | 785,350 km²2023 |
| Urban population | 92.3%2025 | 89.5%2025 |
| Net migration / yr | +140,5792025 | -258,2052025 |
| GDP per capita | $35,9512025 | $18,5992025 |
| Country population rank (available records) | #12 | #18 |
| Base / world population (World Bank 2025) | 1.50% | 1.05% |
Highlighted cell = the higher value (not "better"). Small print under each value is its own data year. Source: World Bank; country/territory population bases may have different years. These are not live counts.
Population since 1960
World Bank population history (not the separate UN WPP timeline). Japan: 1.3× from 1960 to 2025; Türkiye: 3.0× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Regions: East Asia & Pacific · Europe & Central Asia · rankings
Japan: Japan vs India, Japan vs China, Japan vs United States, Japan vs Indonesia, Japan vs Pakistan, Japan vs Nigeria, Japan vs Brazil, Japan vs Bangladesh.
Türkiye: Türkiye vs India, Türkiye vs China, Türkiye vs United States, Türkiye vs Indonesia, Türkiye vs Pakistan, Türkiye vs Nigeria, Türkiye vs Brazil, Türkiye vs Bangladesh.
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.