Yamagata population pyramid 2025
- Population
- 1 million
- Aged 0–14
- 10.2%
- Aged 15–64
- 53.7%
- Aged 65+
- 36.0%
- Aged 75+
- 20.5%
- vs 2020
- -5.9%
Population by sex and five-year age group (men left, women right). The axis is fixed across 2020–2050 so years can be compared.
Yamagata at a glance
In 2025 the population of Yamagata is projected to be 1 million: 10.2% aged 0–14, 53.7% aged 15–64 and 36.0% aged 65 and over (20.5% aged 75+).
From 1.1 million in 2020 it is projected to shrink by 33.4% to 710,838 in 2050; the share aged 65+ rises from 33.8% to 44.3%.
Among the 47 prefectures, it ranks 12th smallest by population in 2025, 6th largest by the size of the decline from 2020 to 2050, and 6th highest by the share aged 65+ in 2050.
The future of Yamagata, compared
| 2020 | 2050 | Change | 65+ (2020) | 65+ (2050) | 0–14 (2050) | |
|---|---|---|---|---|---|---|
| Yamagata | 1.1 million | 710,838 | -33.4% | 33.8% | 44.3% | 8.5% |
| Japan | 126.1 million | 104.7 million | -17.0% | 28.6% | 37.1% | 9.9% |
Trends 2020–2050
Population
Share aged 65+ (%)
Municipalities of Yamagata
Municipality pages are in Japanese.
| Municipality | 2020 | 2050 | Change | 65+ (2050) |
|---|---|---|---|---|
| 山形市 | 247,590 | 198,986 | -19.6% | 39.6% |
| 米沢市 | 81,252 | 53,112 | -34.6% | 43.4% |
| 鶴岡市 | 122,347 | 76,968 | -37.1% | 46.3% |
| 酒田市 | 100,273 | 60,768 | -39.4% | 48.8% |
| 新庄市 | 34,432 | 19,662 | -42.9% | 49.7% |
| 寒河江市 | 40,189 | 29,014 | -27.8% | 41.0% |
| 上山市 | 29,110 | 15,550 | -46.6% | 52.6% |
| 村山市 | 22,516 | 11,556 | -48.7% | 52.6% |
| 長井市 | 26,543 | 16,881 | -36.4% | 44.6% |
| 天童市 | 62,140 | 49,037 | -21.1% | 40.0% |
| 東根市 | 47,682 | 41,769 | -12.4% | 37.1% |
| 尾花沢市 | 14,971 | 6,207 | -58.5% | 58.0% |
| 南陽市 | 30,420 | 19,390 | -36.3% | 44.4% |
| 山辺町 | 13,725 | 8,978 | -34.6% | 46.6% |
| 中山町 | 10,746 | 6,417 | -40.3% | 49.7% |
| 河北町 | 17,641 | 10,671 | -39.5% | 48.8% |
| 西川町 | 4,956 | 1,987 | -59.9% | 60.0% |
| 朝日町 | 6,366 | 2,835 | -55.5% | 57.2% |
| 大江町 | 7,646 | 4,059 | -46.9% | 51.6% |
| 大石田町 | 6,577 | 3,082 | -53.1% | 54.9% |
| 金山町 | 5,071 | 2,317 | -54.3% | 53.9% |
| 最上町 | 8,080 | 3,830 | -52.6% | 54.9% |
| 舟形町 | 5,007 | 2,436 | -51.3% | 58.0% |
| 真室川町 | 7,203 | 3,176 | -55.9% | 56.4% |
| 大蔵村 | 3,028 | 1,346 | -55.5% | 55.6% |
| 鮭川村 | 3,902 | 1,776 | -54.5% | 56.9% |
| 戸沢村 | 4,199 | 1,848 | -56.0% | 59.6% |
| 高畠町 | 22,463 | 13,826 | -38.4% | 46.5% |
| 川西町 | 14,558 | 7,107 | -51.2% | 52.5% |
| 小国町 | 7,107 | 3,298 | -53.6% | 51.3% |
| 白鷹町 | 12,890 | 6,660 | -48.3% | 52.8% |
| 飯豊町 | 6,613 | 3,508 | -47.0% | 48.4% |
| 三川町 | 7,601 | 5,848 | -23.1% | 40.9% |
| 庄内町 | 20,151 | 10,773 | -46.5% | 49.8% |
| 遊佐町 | 13,032 | 6,160 | -52.7% | 57.1% |
Municipalities of Yamagata with the largest decline (2020→2050)
Related pages
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.