Population, Persons for countries / Index for country groups in Japan
Japan: Population, Persons for countries / Index for country groups was 119.16 million in 2031. ▬ Flat
Population, Persons for countries / Index for country groups in Japan, 1980–2031
Source: International Monetary Fund.
Analysis
Japan recorded 119.16 million for population, persons for countries / index for country groups in 2031.
The figure is down 0.6% on the previous year and down 5.0% over ten years.
Over the whole period, population, persons for countries / index for country groups in Japan peaked at 127.83 million in 2011 and was at its lowest, 116.77 million, in 1980.
That places Japan 4th out of 26 countries with data for 2031, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 120.20 million | 116.77 million | 123.03 million | 10 |
| 1990s | 125.17 million | 123.44 million | 126.59 million | 10 |
| 2000s | 127.52 million | 126.83 million | 127.76 million | 10 |
| 2010s | 127.08 million | 126.22 million | 127.83 million | 10 |
| 2020s | 123.47 million | 120.62 million | 125.85 million | 10 |
| 2030s | 119.53 million | 119.16 million | 119.90 million | 2 |
Countries ranked near Japan
More population data for Japan
- Population growth rate by level of development -0.501 (2100)
- Projected population under age 5 2.83 million (2100)
- Population density 210.83 (2100)
- Population growth rate -0.501 (2100)
- Projected population under age 5, annual growth rate -0.2372 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population -0.5891 Percent per annum (2030)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 103,784 Persons (2050)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates -0.5888 % change on previous year (2030)
- Fertility and wanted fertility 1.15 (2024)
- Refugee population by country or territory of asylum 29,068 (2024)
Frequently asked questions
- What is population, persons for countries / index for country groups in Japan?
- Population, persons for countries / index for country groups in Japan was 119.16 million in 2031, according to International Monetary Fund.
- What is the highest population, persons for countries / index for country groups recorded in Japan?
- The highest recorded value was 127.83 million in 2011.
- What is the lowest population, persons for countries / index for country groups recorded in Japan?
- The lowest recorded value was 116.77 million in 1980.
- How does Japan rank for population, persons for countries / index for country groups?
- Japan ranks 4th out of 26 countries with data for 2031.
- Is population, persons for countries / index for country groups rising or falling in Japan?
- Over the last ten years it is down 5.0%. The long-run trend across the full record is flat.
- Where does this Japan data come from?
- The figures come from International Monetary Fund, published as part of Population, Persons for countries / Index for country groups (9/26/2025). Statizoid updates them automatically from the source API.
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About this data
The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.