Okayama population pyramid 2020

Name: Population of Okayama by sex and five-year age group, 2020–2050
Creator: National Institute of Population and Social Security Research

Census

◀2020▶

Population: 1.9 million
Aged 0–14: 12.4%
Aged 15–64: 57.3%
Aged 65+: 30.3%
Aged 75+: 16.1%
vs 2020: +0.0%

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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<iframe src="https://pyramid.0xkaz.com/embed/jp/33/2020" title="Okayamaの人口ピラミッド（2020年）" loading="lazy" style="width:100%;max-width:720px;aspect-ratio:720/615;border:0"></iframe>
<p><a href="https://pyramid.0xkaz.com/jp/33/2020">Okayamaの人口ピラミッド（2020年）</a></p>

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

Data may be reused with attribution to the original sources (UN, World Bank, etc.).

Okayama at a glance

In 2020 the population of Okayama was 1.9 million: 12.4% aged 0–14, 57.3% aged 15–64 and 30.3% aged 65 and over (16.1% 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 2020, 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

	2020	2050	Change	65+ (2020)	65+ (2050)	0–14 (2050)
Okayama	1.9 million	1.5 million	-20.0%	30.3%	37.8%	10.4%
Japan	126.1 million	104.7 million	-17.0%	28.6%	37.1%	9.9%

Trends 2020–2050

Population

Share aged 65+ (%)

Municipalities of Okayama

Municipality pages are in Japanese.

Municipality	2020	2050	Change	65+ (2050)
岡山市	724,691	643,367	-11.2%	34.6%
岡山市北区	314,523	288,681	-8.2%	32.7%
岡山市中区	149,232	137,611	-7.8%	34.7%
岡山市東区	93,108	73,106	-21.5%	40.0%
岡山市南区	167,828	143,969	-14.2%	35.8%
倉敷市	474,592	409,836	-13.6%	36.1%
津山市	99,937	70,662	-29.3%	42.0%
玉野市	56,531	32,112	-43.2%	46.8%
笠岡市	46,088	25,357	-45.0%	51.2%
井原市	38,384	23,584	-38.6%	47.3%
総社市	69,030	61,585	-10.8%	34.6%
高梁市	29,072	14,031	-51.7%	51.8%
新見市	28,079	14,693	-47.7%	49.2%
備前市	32,320	16,553	-48.8%	53.4%
瀬戸内市	36,048	26,719	-25.9%	43.2%
赤磐市	42,661	34,386	-19.4%	39.5%
真庭市	42,725	24,564	-42.5%	49.1%
美作市	25,939	14,927	-42.5%	49.1%
浅口市	32,772	21,953	-33.0%	44.4%
和気町	13,623	8,338	-38.8%	49.0%
早島町	12,368	11,133	-10.0%	31.7%
里庄町	10,950	9,121	-16.7%	35.9%
矢掛町	13,414	8,919	-33.5%	43.7%
新庄村	813	540	-33.6%	40.2%
鏡野町	12,062	8,416	-30.2%	41.6%
勝央町	10,888	8,871	-18.5%	37.7%
奈義町	5,578	3,687	-33.9%	39.8%
西粟倉村	1,398	1,040	-25.6%	35.7%
久米南町	4,530	2,559	-43.5%	50.1%
美咲町	13,053	7,281	-44.2%	49.4%
吉備中央町	10,886	6,226	-42.8%	51.0%

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

高梁市（-51.7%）
備前市（-48.8%）
新見市（-47.7%）
笠岡市（-45.0%）
美咲町（-44.2%）
久米南町（-43.5%）
玉野市（-43.2%）
吉備中央町（-42.8%）
真庭市（-42.5%）
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.