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Current Population Estimates as of October 1, 2021

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Population Pyramid

[Total Population]

The total population was 125,502 thousand, a decrease of 644 thousand compared with the previous year. The rate of decrease was 0.51 percent. The total population decreased for the eleventh year in a row.
The male population was 61,019 thousand, a decrease of 331 thousand (0.54 percent), while the female population was 64,483 thousand, a decrease of 313 thousand (0.48 percent).
The natural change of the male population was negative for the seventeenth year in a row, and that of the female population was negative for the thirteenth year in a row.
The migration change of the Japanese population was negative for the first time in three years, and that of the foreign population was negative for the first time in nine years.

Table 1 Composition of Population (as of October 1, 2021)

Figure 1 Number and Rate of Population change

[Population by Age Group]

The population under 15 years old was 14,784 thousand (11.8 percent of the total population).
The population aged 15 to 64 was 74,504 thousand (59.4 percent of the total population).
The population aged 65 years old and over was 36,214 thousand (28.9 percent of the total population).

[Population]

The top five prefectures in population were Tokyo-to, Kanagawa-ken, Osaka-fu, Aichi-ken and Saitama-ken. These prefectures account for 37.4 percent of the total population.
Tokyo-to had the largest population in 2021 (11.2 percent of the total population).

[Rates of Population Change]

The population increased in 1 prefecture. Okinawa-ken had the highest rate of increase in population.
The population decreased in 46 prefectures. Akita-ken had the highest rate of decrease in population.

Table 2 Population for Prefectures/Table 3 Rates of Population Change for Prefectures

Figure 3 Rates of Population Change

[Population by Age Group]

The percentage of the population under 15 years old was the highest in Okinawa-ken and lowest in Akita-ken .
The percentage of the population aged 15 to 64 was the highest in Tokyo-to and lowest in Akita-ken.
The percentage of the population aged 65 years old and over was the highest in Akita-ken and lowest in Tokyo-to, and it increased in all prefectures.

Reference Table Percentage of Population by Age (3 Groups) for Prefectures