Arai Population 2026

Arai has a population of 16,975, making it the #1148 biggest city in 🇯🇵 Japan, located in Shizuoka. It is about 573× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

16,975

Rank in Japan

#1148

Coordinates

34.68°N, 137.57°E

~2 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

223 km

138 miles, straight line

Other big cities in Shizuoka

City	Population	Rank in Japan
Hamamatsu	791,707	#17
Shizuoka	693,389	#23
Fuji	245,392	#98
Numazu	189,486	#130
Iwata	166,672	#153
Fujieda	145,032	#176
Yaizu	139,578	#188
Fujinomiya	132,507	#200

Cities near Arai

Kosai59,770 people · ~4 km away
Hamamatsu791,707 people · ~15 km away
Toyohashi377,453 people · ~19 km away
Toyokawa184,661 people · ~21 km away
Hamakita86,502 people · ~24 km away
Shinshiro44,355 people · ~25 km away

FAQ

What is the population of Arai?

Arai has a population of 16,975 (city proper, latest official figure via GeoNames), making it the #1148 biggest city in Japan.

What region is Arai in?

Arai is located in Shizuoka, Japan.

Is Arai the capital of Japan?

No, the capital of Japan is Tokyo, about 223 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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