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# Current Population Estimates as of October 1, 2018

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## Population Pyramid

## Summary of Results - Current Population Estimates as of October 1, 2018

### Population for Japan

**[Total Population]**

- The total population was 126,443 thousand, a decrease of 263 thousand compared with the previous year. The rate of decrease was 0.21 percent. The total population decreased for the eighth year in a row.
- The male population was 61,532 thousand, a decrease of 123 thousand (0.20 percent), while the female population was 64,911 thousand, a decrease of 140 thousand (0.22 percent).
- The natural change of the male population was negative for fourteenth year in a row, and that of the female population was negative for tenth year in a row.
- The migration change of the Japanese population was negative for the first time in two years, and that of the foreign population was positive for six consecutive years.

**[Population by Age Group]**

- The population under 15 years old was 15,415 thousand (12.2 percent of the total population).
- The population aged 15 to 64 was 75,451 thousand (59.7 percent of the total population).
- The population aged 65 years old and over was 35,578 thousand (28.1 percent of the total population).

### Population by Prefecture

**[Population]**

- The top five prefectures in population were Tokyo-to, Kanagawa-ken, Osaka-fu, Aichi-ken and Saitama-ken. These prefectures account for 36.9 percent of the total population.
- Tokyo-to had the largest population in 2018 (10.9 percent of the total population).

**[Rates of Population Change]**

- The population increased in 7 prefectures. Tokyo-to had the highest rate of increase in population.
- The population decreased in 40 prefectures. Akita-ken had the highest rate of decrease in population.

**[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 Okinawa-ken, and it increased in all prefectures.