Japan population about 124 million in 2026 false

The population of new adults was 1.09 million in 2026, the same as the previous year. This was the second lowest ever, after the record low in 2024. However, its percentage to the total population was 0.89%, increasing by 0.01 points from the previous year. This is because the total population ...

【2026年（令和8年）9月1日現在（概算値）】 ＜総人口＞ 1億2265万人で、前年同月に比べ減少 ▲54万人 （▲0.44％） 【2026年（令和8年）4月1日現在（令和2年国勢調査を基準とする確定値）】 ＜総人口＞ 1億2283万8千人で、前年同月に比べ減少 ▲55万9千人 （▲0.45％） ・15歳未満人口は 1329万1千人で、前年同月に比べ減少 ▲35万6千人 （▲2.61％） ・15〜64歳人口は 7333万6千人で、前年同月に比べ減少 ▲22万2千人 （▲0.30％） ・65歳以上人口は 3621万1千人で

【2026年（令和８年）４月１日現在（概算値）】 · ＜総人口＞ １億2286万人で、前年同月に比べ減少

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The population stood at 123 million in 2025, according to preliminary census results, down from 126.1 million in 2020. It is the biggest decrease since the government began collecting census data in 1920.

A 2023 demographic study found that the Japanese population, including foreign residents, declined from 128 million people in 2010 to 124.3 million people in 2023, with a decrease of almost 511,000 people in one year.

Japan has a population of 123M as of 2026, compared to 127M in 2016, 128M in 2006, and 126M in 1996.

Japan has 122.4 million people in 2026 (UN WPP 2024), 12th in the world. 11.0% are under 15, 30.2% are 65+, with 95.1 males per 100 females.

Japan’s population has entered a period of sustained decline, with residents aged 65 and over now constituting the largest demographic group. The total fertility rate remains far below the replacement level, while a modest net migration inflow provides a limited counterbalance to these trends. 149 statistics19 sourcesUpdated June 27, 20265 min read

This is shown in the chart below, compared to the average population density globally, and the average density for countries in the same income group and region. Japan’s population density was 330 people/km² in 2023.

The number of Japanese people living in Japan has fallen below 120 million for the first time in 42 years, government data showed Wednesday, as the nation confronts a low birth rate and an aging society.