Prefecture
The population development of Nagasaki Prefecture according to census results.
| Name | Abbr. | Status | Native | Capital | Area A-L (km²) | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nagasaki | 42 | Pref | 長崎県 | Nagasaki | 4,131 | 1,544,934 | 1,516,523 | 1,478,632 | 1,426,779 | 1,377,187 | 1,312,317 | 1,232,190 | 413100 | → |
| Japan | JPN | 日本国 | Tōkyō | 377,980 | 125,570,246 | 126,925,843 | 127,767,994 | 128,057,352 | 127,094,745 | 126,146,099 | 123,049,524 | → |
- Statistics Bureau Japan.
Major Cities
| Name | Population Census (Cp) 2025-10-01 | |
|---|---|---|
| 1 | Nagasaki | 381,738 |
| 2 | Sasebo | 226,189 |
| 3 | Isahaya | 130,267 |
| 4 | Ōmura | 97,512 |
| 5 | Shimabara | 40,445 |
| 6 | Nagayo | 38,734 |
| 7 | Unzen | 38,226 |
| 8 | Minamishimabara | 37,344 |
Contents: Cities & Towns
The population of all cities and towns of Nagasaki Prefecture with more than 20,000 inhabitants according to census results.
| Name | Status | Native | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | Area | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gotō (Fukue) | City | 五島市 | 51,295 | 48,533 | 44,765 | 40,622 | 37,327 | 34,391 | 31,456 | 42013 | → |
| Hirado | City | 平戸市 | 43,966 | 41,586 | 38,389 | 34,905 | 31,920 | 29,365 | 26,412 | 23512 | → |
| Iki (Gōnoura) | City | 壱岐市 | 35,089 | 33,538 | 31,414 | 29,377 | 27,103 | 24,948 | 22,363 | 13942 | → |
| Isahaya | City | 諫早市 | 142,517 | 144,299 | 144,034 | 140,752 | 138,078 | 133,852 | 130,267 | 34179 | → |
| Matsuura | City | 松浦市 | 30,470 | 28,370 | 26,993 | 25,145 | 23,309 | 21,271 | 19,325 | 13055 | → |
| Minamishimabara | City | 南島原市 | 58,898 | 57,045 | 54,045 | 50,363 | 46,535 | 42,330 | 37,344 | 17015 | → |
| Nagasaki | City | 長崎市 | 487,063 | 470,135 | 455,206 | 443,766 | 429,508 | 409,118 | 381,738 | 40569 | → |
| Nagayo | Town | 長与町 | 35,377 | 40,356 | 42,655 | 42,535 | 42,548 | 40,780 | 38,734 | 2873 | → |
| Ōmura | City | 大村市 | 79,279 | 84,414 | 88,040 | 90,517 | 92,757 | 95,397 | 97,512 | 12673 | → |
| Saikai | City | 西海市 | 36,327 | 35,288 | 33,680 | 31,176 | 28,691 | 26,275 | 23,482 | 24198 | → |
| Sasebo | City | 佐世保市 | 279,551 | 274,399 | 269,574 | 261,101 | 255,439 | 243,223 | 226,189 | 42601 | → |
| Shimabara | City | 島原市 | 52,853 | 51,563 | 50,045 | 47,455 | 45,436 | 43,338 | 40,445 | 8296 | → |
| Shinkamigotō | Town | 新上五島町 | 29,845 | 27,559 | 25,039 | 22,074 | 19,718 | 17,503 | 15,524 | 21400 | → |
| Togitsu | Town | 時津町 | 26,932 | 28,065 | 29,127 | 30,110 | 29,804 | 29,339 | 28,966 | 2094 | → |
| Tsushima (Izuhara) | City | 対馬市 | 43,513 | 41,230 | 38,481 | 34,407 | 31,457 | 28,502 | 25,316 | 70742 | → |
| Unzen (Kunimi - Obama) | City | 雲仙市 | 54,048 | 52,230 | 49,998 | 47,245 | 44,115 | 41,096 | 38,226 | 21429 | → |
- Statistics Bureau Japan.
Population Structure
Further information about the population structure.
| Gender (C 2025) | |
|---|---|
| Males | 581,631 |
| Females | 650,559 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 202,874 |
| 18-64 years | 667,506 |
| 65+ years | 430,353 |
| Age Distribution (C 2020) | |
|---|---|
| 90+ years | 33,575 |
| 80-89 years | 112,707 |
| 70-79 years | 178,132 |
| 60-69 years | 198,340 |
| 50-59 years | 165,047 |
| 40-49 years | 164,080 |
| 30-39 years | 128,526 |
| 20-29 years | 98,095 |
| 10-19 years | 116,821 |
| 0-9 years | 105,410 |
| Citizenship (C 2020) | |
|---|---|
| Japan | 1,296,014 |
| Foreign Citizenship | 8,316 |