Iki Population 2026
Iki has a population of 30,352, making it the #830 biggest city in 🇯🇵 Japan, located in Nagasaki. It is about 321× smaller than Tokyo, the country's biggest city.
Population (city proper)
30,352
Rank in Japan
#830
Coordinates
33.78°N, 129.72°E
~45 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
935 km
581 miles, straight line
Other big cities in Nagasaki
Cities near Iki
- Karatsu117,663 people · ~44 km away
- Hirado31,192 people · ~49 km away
- Matsuura23,566 people · ~49 km away
- Itoshima98,877 people · ~51 km away
- Maebaru-chūō70,339 people · ~51 km away
- Imarichō-kō57,940 people · ~58 km away
FAQ
What is the population of Iki?
Iki has a population of 30,352 (city proper, latest official figure via GeoNames), making it the #830 biggest city in Japan.
What region is Iki in?
Iki is located in Nagasaki, Japan.
Is Iki the capital of Japan?
No, the capital of Japan is Tokyo, about 935 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.