Japan: Nagasaki

flag Contents: Nagasaki (Prefecture)

Capital: Nagasaki

1,312,317 Population [2020] – census

1,232,190 Population [2025] – census

4,131km² Area

298.3/km² Density [2025]

Prefecture

The population of Nagasaki prefecture.

Name	Native	Status	Population Census 1995-10-01	Population Census 2000-10-01	Population Census 2005-10-01	Population Census 2010-10-01	Population Census 2015-10-01	Population Census 2020-10-01	Population Census 2025-10-01
Nagasaki	長崎県	Prefecture	1,544,934	1,516,523	1,478,632	1,426,779	1,377,187	1,312,317	1,232,190

Contents: Cities, Towns and Villages

The population of all cities, towns and villages in Nagasaki prefecture.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, citizenship).

Name	Native	Status	Population Census 1995-10-01	Population Census 2000-10-01	Population Census 2005-10-01	Population Census 2010-10-01	Population Census 2015-10-01	Population Census 2020-10-01	Population Census 2025-10-01
Gotō	五島市	City (-shi)	51,295	48,533	44,765	40,622	37,327	34,391	31,456	→
Hasami	波佐見町	Town (-chō)	15,565	15,462	15,367	15,227	14,891	14,291	13,713	→
Higashisonogi	東彼杵町	Town (-chō)	10,349	10,026	9,657	8,903	8,298	7,721	7,125	→
Hirado	平戸市	City (-shi)	43,966	41,586	38,389	34,905	31,920	29,365	26,412	→
Iki	壱岐市	City (-shi)	35,089	33,538	31,414	29,377	27,103	24,948	22,363	→
Isahaya	諫早市	City (-shi)	142,517	144,299	144,034	140,752	138,078	133,852	130,267	→
Kawatana	川棚町	Town (-chō)	15,064	15,325	15,158	14,651	14,067	13,377	12,325	→
Matsuura	松浦市	City (-shi)	30,470	28,370	26,993	25,145	23,309	21,271	19,325	→
Minamishimabara	南島原市	City (-shi)	58,898	57,045	54,045	50,363	46,535	42,330	37,344	→
Nagasaki	長崎市	City (-shi)	487,063	470,135	455,206	443,766	429,508	409,118	381,738	→
Nagayo	長与町	Town (-chō)	35,377	40,356	42,655	42,535	42,548	40,780	38,734	→
Ojika	小値賀町	Town (-chō)	4,238	3,765	3,268	2,849	2,560	2,288	2,018	→
Ōmura	大村市	City (-shi)	79,279	84,414	88,040	90,517	92,757	95,397	97,512	→
Saikai	西海市	City (-shi)	36,327	35,288	33,680	31,176	28,691	26,275	23,482	→
Sasebo	佐世保市	City (-shi)	279,551	274,399	269,574	261,101	255,439	243,223	226,189	→
Saza	佐々町	Town (-chō)	12,695	13,335	13,697	13,599	13,626	13,912	13,710	→
Shimabara	島原市	City (-shi)	52,853	51,563	50,045	47,455	45,436	43,338	40,445	→
Shinkamigotō	新上五島町	Town (-chō)	29,845	27,559	25,039	22,074	19,718	17,503	15,524	→
Togitsu	時津町	Town (-chō)	26,932	28,065	29,127	30,110	29,804	29,339	28,966	→
Tsushima	対馬市	City (-shi)	43,513	41,230	38,481	34,407	31,457	28,502	25,316	→
Unzen	雲仙市	City (-shi)	54,048	52,230	49,998	47,245	44,115	41,096	38,226	→

Source: Statistics Bureau Japan.

Explanation: The 2025 census results are preliminary.

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