Unzen Population 2026
Unzen has a population of 41,096, making it the #659 biggest city in 🇯🇵 Japan, located in Nagasaki. It is about 237× smaller than Tokyo, the country's biggest city.
Population (city proper)
41,096
Rank in Japan
#659
Coordinates
32.77°N, 130.25°E
~546 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
926 km
575 miles, straight line
Other big cities in Nagasaki
Cities near Unzen
- Minamishimabara42,330 people · ~11 km away
- Shimabara43,338 people · ~11 km away
- Isahaya135,546 people · ~21 km away
- Nagasu16,125 people · ~26 km away
- Ōyanomachi-noboritate24,563 people · ~26 km away
- Arao53,675 people · ~30 km away
FAQ
What is the population of Unzen?
Unzen has a population of 41,096 (city proper, latest official figure via GeoNames), making it the #659 biggest city in Japan.
What region is Unzen in?
Unzen is located in Nagasaki, Japan.
Is Unzen the capital of Japan?
No, the capital of Japan is Tokyo, about 926 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.