Akaiwa Population 2026

Akaiwa has a population of 43,742, making it the #623 biggest city in 🇯🇵 Japan, located in Okayama. It is about 223× smaller than Tokyo, the country's biggest city.

Location of Akaiwa (capital Tokyo shown for reference). Boundaries: Natural Earth.

Population (city proper)

43,742

Rank in Japan

#623

Coordinates

34.81°N, 134.02°E

~47 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

524 km

325 miles, straight line

Other big cities in Okayama

City	Population	Rank in Japan
Okayama	724,691	#21
Kurashiki	483,576	#34
Tsuyama	102,294	#264
Sōja	69,030	#404
Tamano	67,786	#414
Kasaoka	50,160	#550
Maniwa	42,725	#637
Ibara	41,460	#652

Cities near Akaiwa

Okayama724,691 people · ~20 km away
Bizen39,117 people · ~20 km away
Setouchi36,048 people · ~20 km away
Hayashino25,939 people · ~24 km away
Tsuyama102,294 people · ~27 km away
Sōja69,030 people · ~29 km away

FAQ

What is the population of Akaiwa?

Akaiwa has a population of 43,742 (city proper, latest official figure via GeoNames), making it the #623 biggest city in Japan.

What region is Akaiwa in?

Akaiwa is located in Okayama, Japan.

Is Akaiwa the capital of Japan?

No, the capital of Japan is Tokyo, about 524 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.

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