About Iwakuni
Iwakuni is a city located in Japan, in the Yamaguchi Prefecture region. According to the latest available data (2026), the population of Iwakuni is approximately 128,401 residents, making it the #270 most populous city in Japan.
Globally, Iwakuni ranks #12,798 among the world's most populated cities.
Iwakuni City Statistics
| City | Iwakuni |
| Country |  Japan |
| Population | 128,401 |
| Global Rank | #12,798 |
| Rank in Japan | #270 of 360 cities |
| City Category | city |
| Region | Yamaguchi Prefecture |
| Latitude | 34.1666 |
| Longitude | 132.2188 |
| Data Year | 2026 |
Where is Iwakuni Located?
Iwakuni is located in Japan, in the Yamaguchi Prefecture region, at coordinates 34.1666° latitude and 132.2188° longitude. Iwakuni sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in Japan
Largest Cities in Japan
| # | City | Population |
|---|---|---|
| 2 | Yokohama | 3,757,630 |
| 3 | Nagoya | 2,326,844 |
| 6 | Sapporo | 1,959,313 |
| 7 | Fukuoka | 1,603,043 |
| 8 | Kawasaki | 1,539,522 |
Frequently Asked Questions
What is the population of Iwakuni?
The population of Iwakuni is approximately 128,401 residents according to the latest available data (2026).
Where is Iwakuni located?
Iwakuni is located in Japan at approximately 34.1666° latitude and 132.2188° longitude.
Is Iwakuni one of the largest cities in Japan?
With a population of 128,401, Iwakuni is one of the notable urban areas in Japan. It ranks #270 out of 360 cities in the country.
