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Japan vs United States: Total Population Comparison

Compare Total Population of Japan and United States over time using official World Bank Open Data.

⚡ Quick Comparison Summary

In 2025, United States recorded Total Population of 341.78M vs 123.37M for Japan (United States's Total Population is 2.8× larger than Japan's.).

🇯🇵 Japan
123.37M
-2.7% since 2000
🇺🇸 United States
341.78M
+21.1% since 2000
⚖️ Scale Ratio
2.8×
Gap: 218.42M
Total Population
Progressive time series visualization
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2000 2025
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Japan vs United States All Annual Observations (1960 – 2025)

Complete annual observations of Total Population for Japan and United States reported by World Bank.

Year 🇯🇵 Japan Total Population 🇺🇸 United States Total Population United States : Japan Ratio
2025 123.37M 341.78M 2.77×
2024 123.98M 340.00M 2.74×
2023 124.52M 336.76M 2.70×
2022 125.12M 334.00M 2.67×
2021 125.68M 332.10M 2.64×
2020 126.26M 331.58M 2.63×
2019 126.63M 330.23M 2.61×
2018 126.81M 328.53M 2.59×
2017 126.97M 326.61M 2.57×
2016 127.08M 324.35M 2.55×
2015 127.14M 321.82M 2.53×
2014 127.28M 319.26M 2.51×
2013 127.45M 316.73M 2.49×
2012 127.63M 314.34M 2.46×
2011 127.83M 311.84M 2.44×
2010 128.07M 309.38M 2.42×
2009 128.05M 306.77M 2.40×
2008 128.06M 304.09M 2.37×
2007 128.00M 301.23M 2.35×
2006 127.85M 298.38M 2.33×
2005 127.77M 295.52M 2.31×
2004 127.76M 292.81M 2.29×
2003 127.72M 290.11M 2.27×
2002 127.45M 287.63M 2.26×
2001 127.15M 284.97M 2.24×
2000 126.84M 282.16M 2.22×
1999 126.63M 279.04M 2.20×
1998 126.40M 275.85M 2.18×
1997 126.06M 272.66M 2.16×
1996 125.76M 269.39M 2.14×
1995 125.47M 266.28M 2.12×
1994 125.18M 263.13M 2.10×
1993 124.83M 259.92M 2.08×
1992 124.42M 256.51M 2.06×
1991 123.96M 252.98M 2.04×
1990 123.48M 249.62M 2.02×
1989 123.07M 246.82M 2.01×
1988 122.58M 244.50M 1.99×
1987 122.07M 242.29M 1.98×
1986 121.48M 240.13M 1.98×
1985 120.84M 237.92M 1.97×
1984 120.08M 235.83M 1.96×
1983 119.31M 233.79M 1.96×
1982 118.48M 231.66M 1.96×
1981 117.66M 229.47M 1.95×
1980 116.81M 227.23M 1.95×
1979 115.89M 225.06M 1.94×
1978 114.91M 222.59M 1.94×
1977 113.87M 220.24M 1.93×
1976 112.78M 218.03M 1.93×
1975 111.57M 215.97M 1.94×
1974 110.16M 213.85M 1.94×
1973 108.71M 211.91M 1.95×
1972 107.19M 209.90M 1.96×
1971 105.70M 207.66M 1.96×
1970 103.40M 205.05M 1.98×
1969 102.22M 202.68M 1.98×
1968 101.01M 200.71M 1.99×
1967 99.88M 198.71M 1.99×
1966 98.85M 196.56M 1.99×
1965 97.95M 194.30M 1.98×
1964 96.90M 191.89M 1.98×
1963 95.90M 189.24M 1.97×
1962 94.93M 186.54M 1.96×
1961 94.06M 183.69M 1.95×
1960 93.22M 180.67M 1.94×

Total Population Comparison

• Current Leader: In 2025, United States recorded Total Population of 341.78M, while Japan recorded 123.37M, representing a scale ratio of ~2.8×.
• 1960 Baseline: Japan stood at 93.22M and United States stood at 180.67M.
• 2000–2025 Trajectory: Japan moved to 123.37M (-2.7% since 2000), while United States moved to 341.78M (+21.1% since 2000).
• Compound Annual Growth Rate (CAGR): From 2000 to 2025, Japan's Total Population expanded at ~-0.1% CAGR, while United States's expanded at ~0.8% CAGR.

Historical Trends

Over the available reporting period from 1960 to 2025, Japan and United States followed distinct developmental paths. In 1960, Japan recorded 93.22M compared to 180.67M for United States. By 2025, the values evolved to 123.37M and 341.78M respectively.

Key Differences

• Absolute Gap: Difference in 2025 is 218.42M.
• Scale Ratio: United States is 2.8× size of Japan.
• Highest Observed Year: Peak observed was 341.78M (United States in 2025).
• Growth Trajectory: Since 2000, Japan achieved -2.7% since 2000, while United States achieved +21.1% since 2000.

About Total Population

Total population counts all residents regardless of legal status or citizenship.

This comparison uses standardized data from World Bank Open Data. Historical records allow analysts to trace long-term development trajectories for Japan and United States.

Frequently Asked Questions — Total Population

What is the Total Population of Japan?

In 2025, Japan's Total Population was 123.37M according to official World Bank data.

What is the Total Population of United States?

In 2025, United States's Total Population was 341.78M according to official World Bank data.

Which country has a higher Total Population?

In 2025, United States recorded a higher Total Population of 341.78M compared to Japan's 123.37M (a difference of 218.42M).

How has Total Population changed over time for Japan and United States?

From 2000 to 2025, Japan's Total Population changed by -2.7% since 2000, while United States's changed by +21.1% since 2000.

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Data Source and Methodology

Source: World Bank Open Data. Indicator Code: SP.POP.TOTL (Total Population). Values represent annual total population for Japan and United States from 1960 through 2025. Missing reporting years are omitted without converting missing values to zero.