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Current Population Estimates as of October 1, 2012

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Population Pyramid

Population Pyramid

 Summary of Results - Current Population Estimates as of October 1, 2012

Population for Japan

[Total Population]

  • The total population was 127,515 thousand, and decreased by 284 thousand compared with the previous year. The rate of decrease was 0.22 percent. The total population decreased for the second year in a row.
  • The male population was 62,029 thousand, a decrease of 154 thousand (0.25 percent), while the female population was 65,486 thousand, a decrease of 129 thousand (0.20 percent).
  • The natural change of the male population was negative for eight years in a row, and that of the female population was negative for four years in a row.
  • Both the migration change of Japanese population and that of foreign population were negative. The migration change of foreign population was negative for four years in a row.

Table 1 Composition of Population (as of October 1, 2012)

Figure 1 Number and Rate of Population change

[Population by Age Group]

  • The population aged 0 to 14 (child population) was 16,547 thousand (13.0 percent of the total population).
  • The population aged 15 to 64 (productive-age population) was 80,175 thousand (62.9 percent of the total population).
  • The population aged 65 and over (aged population) was 30,793 thousand (24.1 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 35.9 percent of the total population.
  • Tokyo-to had the largest population in 2012 (10.4 percent of the total population).

[Rates of Population Change]

  • The population increased in 7 prefectures. Okinawa-ken had the highest rate of increase in population.
  • The population decreased in 40 prefectures. Fukushima-ken had the highest rate of decrease in population.

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

Figure 2 Rates of Population Change

[Population by Age Group]

  • The percentage of the child population was the highest in Okinawa-ken and lowest in Akita-ken .
  • The percentage of the productive-age population was the highest in Tokyo-to and lowest in Shimane-ken.
  • The percentage of the aged population was the highest in Akita-ken and lowest in Okinawa-ken.
  • The percentage of the aged population exceeded that of the child population in all prefectures.

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

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