Japan sex ratio: men per 100 women, by city and district

Men per 100 women aged 20–39, from national census age-by-sex counts. Measured at municipality level, not a national figure repeated.

1,895 municipalities
Japan deep-dive

Japan at a glance

Every line is computed from the municipality table below. Green cells hold more women per man aged 20–39.

Across 1,895 municipalities103.3men per 100 women, 20–39
Population covered123Mall ages, census counts
Most women-heavy72.3Kyoto-shi Higashiyama-ku, Kyoto
Most men-heavy255.4Okushiri-cho, Hokkaido

The map

Every municipality in Japan, shaded by men per 100 women aged 20–39. Green holds more women, red more men. The 13 dots are the cities with guides on this site.

TokyoTokyoYokohamaYokohamaOsakaOsakaNagoyaNagoyaSapporoSapporoFukuokaFukuokaKyotoHiroshimaHiroshimaSendaiSendaiKanazawaKanazawaNagasakiNagasakiNahaNahaKobe

94 or fewer112 or more men per 100 women

Most women-heavy municipalities

Lowest men-per-100-women, 20–39. 30 of 1,786 with at least 300 people in the band, sortable by any column.

Kyoto-shi Higashiyama-kuKyoto72.334k
Fukuoka-shi Chuo-kuFukuoka75.2188k
Yamae-muraKumamoto77.63k
Ashiya-shiHyōgo82.792k
Kyoto-shi Nakagyo-kuKyoto83104k
Takarazuka-shiHyōgo83.1223k
Makurazaki-shiKagoshima83.120k
Hisayama-machiFukuoka83.49k
Kyoto-shi Shimogyo-kuKyoto83.576k
Osaka-shi Nishi-kuOsaka83.5100k
Osaka-shi Tennoji-kuOsaka8478k
Kobe-shi Chuo-kuHyōgo84.2128k
Kamogawa-shiChiba84.432k
Kijo-choMiyazaki84.75k
Osaka-shi Chuo-kuOsaka85.1101k
Kagoshima-shiKagoshima85.3556k
Higashikawa-choHokkaido85.58k
Sapporo-shi Chuo-kuHokkaido85.9239k
Osaka-shi Abeno-kuOsaka86.1108k
Kobe-shi Suma-kuHyōgo86.2152k
Mimata-choMiyazaki86.526k
Kobe-shi Higashinada-kuHyōgo86.6201k
Hayama-machiKanagawa86.931k
Kiho-choMie8710k
Ibusuki-shiKagoshima87.139k
Fukuoka-shi Minami-kuFukuoka87.4259k
Sapporo-shi Nishi-kuHokkaido87.6214k
Kawaminami-choMiyazaki87.615k
Tarumizu-shiKagoshima87.614k
Aibetsu-choHokkaido87.93k

Most men-heavy municipalities

Highest men-per-100-women, 20–39. 30 of 1,786 with at least 300 people in the band. Units housing an institution (prison, barracks, camp) read high here; the figure is correct, the dating signal is not.

Okuma-machiFukushima1175842
Kawakami-muraNagano371.74k
Tomioka-machiFukushima290.62k
Minamimaki-muraNagano285.13k
Okushiri-choHokkaido255.42k
Kamijima-choEhime223.66k
Higashinaruse-muraAkita208.83k
Rokkasho-muraAomori205.610k
Oshino-muraYamanashi1989k
Etajima-shiHiroshima196.722k
Tsukigata-choHokkaido196.44k
Naraha-machiFukushima189.64k
Genkai-choSaga184.35k
Hirono-machiFukushima184.25k
Katsuura-shiChiba179.217k
Oyama-choShizuoka177.319k
Osakikamijima-choHiroshima176.97k
Kyowa-choHokkaido169.16k
Nishinoshima-choShimane164.13k
Totsukawa-muraNara1643k
Ryuo-choShiga163.712k
Kamifurano-choHokkaido161.210k
Ogasawara-muraTokyo160.53k
Koya-choWakayama153.53k
Horonobe-choHokkaido153.42k
Yachiyo-machiIbaraki152.221k
Nagi-choOkayama151.76k
Takanezawa-machiTochigi15029k
Erimo-choHokkaido1504k
Naoshima-choKagawa149.53k

By Prefecture

Every prefecture in Japan, aggregated from the municipalities above.

Municipalities
Kagoshima92.21.5M43
Nara94.51.3M39
Fukuoka965.0M72
Hyōgo96.75.3M49
Miyazaki97.11.1M26
Osaka97.48.6M72
Saga97.5798k20
Kumamoto97.61.7M49
Nagasaki98.11.3M21
Kyoto992.5M36
Okinawa100.21.4M41
Wakayama100.4915k30
Hokkaido100.75.2M188
Okayama100.81.8M30
Tokyo10114M62
Ehime1011.3M20
Kōchi102679k34
Ōita102.11.1M18
Tokushima102.4691k24
Tottori102.7545k19
Miyagi102.82.3M39
Gifu103.91.9M42
Kagawa104.2928k17
Aomori104.91.2M40
Saitama104.97.1M72
Yamaguchi104.91.3M19
Hiroshima105.52.7M30
Iwate1061.2M33
Chiba1066.2M59
Kanagawa106.19.0M58
Shimane106.2662k19
Niigata106.52.2M37
Akita106.7951k25
Ishikawa106.91.1M19
Nagano107.12.0M77
Yamagata107.31.1M35
Fukui107.6756k17
Mie107.91.7M29
Shiga108.31.4M19
Yamanashi108.5791k27
Aichi109.37.3M69
Shizuoka109.43.6M43
Toyama110.81.0M15
Fukushima110.91.8M58
Gunma110.91.9M35
Tochigi113.11.9M25
Ibaraki113.42.8M44

Census age-by-sex counts. Figures for 2020. Data updated September 8, 2026. A ratio is a supply number, not a measure of dating success.

Japan population pyramid

The same counts as the tables above, drawn. Pick an age band, or a city to see how far it sits from the national shape.

Age band
103.3men per 100 women, 20–39 · summed over 1,895 municipalities
412,253more men than women, 20–39
MenWomenM to F Ratio
4.1M
80+
7.2M57
3.1M
75–79
3.8M81
4.2M
70–74
4.8M89
3.9M
65–69
4.2M94
3.6M
60–64
3.7M97
3.9M
55–59
3.9M99
4.3M
50–54
4.3M100
4.9M
45–49
4.8M102
4.2M
40–44
4.1M102
3.7M
35–39
3.6M102
3.3M
30–34
3.2M103
3.1M
25–29
3.0M104
3.0M
20–24
2.9M104
2.9M
15–19
2.7M105
2.7M
10–14
2.6M105
2.6M
5–9
2.5M105
2.3M
0–4
2.2M105

Only the surplus tip of each bar is shaded: blue = male surplus, red = female surplus. The muted base is the matched part.

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Data updated