Japan Population Decline Simulator

Tokyo東京都

Tokyo 23 Wards 特別区部

Data last updated:

Tokyo 23 Wards, Tokyo, Japan has a population of 9,944,109 (2025 national census). IPSS projections estimate 9,733,276 by 2030 and 9,733,276 by 2050 (an increase of about 0.0% from 2020), with the share of residents aged 65+ rising from 20.8% in 2020 to 0.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

9,944,109

2030Projection

9,733,276

→ 0.0%

2040Projection

9,733,276

→ 0.0%

2050Projection

9,733,276

→ 0.0%

Change vs. 2020 census

Elderly Rate (65+): 2020 20.8%→2050 0%

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Other municipalities in Tokyo (東京都)

Data Sources

  • Portal Site of Official Statistics of Japan (e-Stat)(https://www.e-stat.go.jp/)
  • National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)

* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.

Tokyo 23 Wards Population Table (1980–2025)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
19808,351,893▼ -14.2%Census
19858,354,615▼ -14.2%Census
19908,163,573▼ -16.1%Census
19957,967,614▼ -18.1%Census
20008,134,688▼ -16.4%Census
20058,489,653▼ -12.8%Census
20108,945,695▼ -8.1%Census
20159,272,740▼ -4.7%Census
20209,733,276—Census
20259,944,109▲ +2.2%Census

About Tokyo 23 Wards

Overview

Tokyo 23 Wards (特別区部) is a municipality in Tokyo, Japan, with a population of 9,944,109 as of 2025.

Population Projection of Tokyo 23 Wards

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tokyo 23 Wards's population is expected to reach 9,733,276 by 2030 (0.0%), 9,733,276 by 2040 (0.0%), and 9,733,276 by 2050 (0.0%). A modest population change is expected.

Aging Rate of Tokyo 23 Wards

The aging rate (percentage of residents aged 65 and over) is 20.8% as of 2020 and is projected to rise to 0.0% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Tokyo 23 Wards's demographic trajectory is similar to the national average.

Earnings in Tokyo (東京都): Average salary in Tokyo (東京都) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Tokyo 23 Wards, Tokyo?
A.According to the 2025 national census, Tokyo 23 Wards has a population of 9,944,109.
Q.What is the population of Tokyo 23 Wards in 2026?
A.Tokyo 23 Wards's population in 2026 is estimated at approximately 9,944,109. This is an interpolated reference value between the 2025 census (9,944,109) and the IPSS projection for 2030 (9,733,276).
Q.What is the projected population of Tokyo 23 Wards in the future?
A.According to IPSS projections, Tokyo 23 Wards's population is expected to be 9,733,276 in 2030, 9,733,276 in 2040, and 9,733,276 in 2050.
Q.What is the population decline rate of Tokyo 23 Wards?
A.Over the 30 years from 2020 to 2050, Tokyo 23 Wards's population is projected to change by 0.0%. The 10-year change is 0.0% and the 20-year change is 0.0%.
Q.Why is the population of Tokyo 23 Wards growing?
A.Municipalities with growing populations typically benefit from net in-migration driven by good access to major metropolitan areas, housing development, and family support policies. Tokyo 23 Wards is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Tokyo 23 Wards?
A.Tokyo 23 Wards's aging rate (percentage aged 65 and over) is 20.8% as of 2020, projected to rise to 0.0% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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