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Okayama population pyramid 2030

Projection
2030
Population
1.8 million
Aged 0–14
10.8%
Aged 15–64
57.2%
Aged 65+
32.0%
Aged 75+
20.2%
vs 2020
-6.0%
80K60K40K20K020K40K60K80K010203040506070809095+MaleFemale

Population by sex and five-year age group (men left, women right). The axis is fixed across 2020–2050 so years can be compared.

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Population by sex and age group, 2020–2050 (CSV)

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Okayama at a glance

In 2030 the population of Okayama is projected to be 1.8 million: 10.8% aged 0–14, 57.2% aged 15–64 and 32.0% aged 65 and over (20.2% aged 75+).

From 1.9 million in 2020 it is projected to shrink by 20.0% to 1.5 million in 2050; the share aged 65+ rises from 30.3% to 37.8%.

Among the 47 prefectures, it ranks 20th largest by population in 2030, 11th smallest by the size of the decline from 2020 to 2050, and 11th lowest by the share aged 65+ in 2050.

The future of Okayama, compared

20202050Change65+ (2020)65+ (2050)0–14 (2050)
Okayama1.9 million1.5 million-20.0%30.3%37.8%10.4%
Japan126.1 million104.7 million-17.0%28.6%37.1%9.9%

Municipalities of Okayama

Municipality pages are in Japanese.

Municipality20202050Change65+ (2050)
岡山市724,691643,367-11.2%34.6%
岡山市北区314,523288,681-8.2%32.7%
岡山市中区149,232137,611-7.8%34.7%
岡山市東区93,10873,106-21.5%40.0%
岡山市南区167,828143,969-14.2%35.8%
倉敷市474,592409,836-13.6%36.1%
津山市99,93770,662-29.3%42.0%
玉野市56,53132,112-43.2%46.8%
笠岡市46,08825,357-45.0%51.2%
井原市38,38423,584-38.6%47.3%
総社市69,03061,585-10.8%34.6%
高梁市29,07214,031-51.7%51.8%
新見市28,07914,693-47.7%49.2%
備前市32,32016,553-48.8%53.4%
瀬戸内市36,04826,719-25.9%43.2%
赤磐市42,66134,386-19.4%39.5%
真庭市42,72524,564-42.5%49.1%
美作市25,93914,927-42.5%49.1%
浅口市32,77221,953-33.0%44.4%
和気町13,6238,338-38.8%49.0%
早島町12,36811,133-10.0%31.7%
里庄町10,9509,121-16.7%35.9%
矢掛町13,4148,919-33.5%43.7%
新庄村813540-33.6%40.2%
鏡野町12,0628,416-30.2%41.6%
勝央町10,8888,871-18.5%37.7%
奈義町5,5783,687-33.9%39.8%
西粟倉村1,3981,040-25.6%35.7%
久米南町4,5302,559-43.5%50.1%
美咲町13,0537,281-44.2%49.4%
吉備中央町10,8866,226-42.8%51.0%

Municipalities of Okayama with the largest decline (2020→2050)

  1. 高梁市(-51.7%)
  2. 備前市(-48.8%)
  3. 新見市(-47.7%)
  4. 笠岡市(-45.0%)
  5. 美咲町(-44.2%)
  6. 久米南町(-43.5%)
  7. 玉野市(-43.2%)
  8. 吉備中央町(-42.8%)
  9. 真庭市(-42.5%)
  10. 美作市(-42.5%)

Source: processed from the National Institute of Population and Social Security Research, Regional Population Projections for Japan (2023) (https://www.ipss.go.jp/pp-shicyoson/j/shicyoson23/t-page.asp). 2020 is the census; 2025 onwards are projections.