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Japan · prefecture

Kagawa population 2026

香川県

Kagawa has 917,000 people on the latest official figure, for 1 October 2024 (published to the nearest thousand), 9,000 fewer than a year earlier (−0.97%). It is 38th of Japan’s 47 prefectures by population, home to 0.7% of Japan’s people.

If last year’s change continues: about 901 thousand by 1 July 2026. That is our arithmetic, not an official figure.

Kagawa in numbers

Population
917 thousand 1 October 2024
Change in a year
−0.97% −9,000 people
Share of Japan
0.7% 38th of 47 prefectures
Population density
493per km² 1,862 km²

That is about as many people as Comoros (899 thousand).

Population of Kagawa by year

Population of Kagawa
917k
› Show the numbers as a table
YearPopulation
2021942,000
2022934,000
2023926,000
2024917,000
YearPopulationChange
2024 917,000 −9,000
2023 926,000 −8,000
2022 934,000 −8,000
2021 942,000 –

Kagawa among Japan’s prefectures

Full ranking →
Prefectures of Japan by population
#
1 Tokyo14,178,000+0.65%
2 Kanagawa9,225,000−0.04%
3 Osaka8,757,000−0.07%
4 Aichi7,460,000−0.23%
5 Saitama7,332,000+0.01%
6 Chiba6,251,000−0.10%
7 Hyogo5,337,000−0.61%
8 Fukuoka5,092,000−0.22%
9 Hokkaido5,043,000−0.96%
10 Shizuoka3,527,000−0.79%
11 Ibaraki2,806,000−0.67%
12 Hiroshima2,714,000−0.88%
13 Kyoto2,520,000−0.59%
14 Miyagi2,248,000−0.71%
15 Niigata2,099,000−1.27%
16 Nagano1,987,000−0.85%
17 Gifu1,916,000−0.78%
18 Gunma1,890,000−0.63%
19 Tochigi1,885,000−0.63%
20 Okayama1,831,000−0.87%
21 Fukushima1,743,000−1.36%
22 Mie1,711,000−0.93%
23 Kumamoto1,697,000−0.70%
24 Kagoshima1,532,000−1.10%
25 Okinawa1,466,000−0.14%
26 Shiga1,402,000−0.35%
27 Nara1,285,000−0.85%
28 Yamaguchi1,281,000−1.31%
29 Ehime1,276,000−1.16%
30 Nagasaki1,252,000−1.18%
31 Aomori1,165,000−1.60%
32 Iwate1,145,000−1.55%
33 Ishikawa1,098,000−0.99%
34 Oita1,085,000−1.00%
35 Miyazaki1,033,000−0.86%
36 Yamagata1,011,000−1.46%
37 Toyama997,000−0.99%
38 Kagawa917,000−0.97%
39 Akita897,000−1.86%
40 Wakayama880,000−1.34%
41 Yamanashi791,000−0.63%
42 Saga788,000−0.88%
43 Fukui739,000−0.67%
44 Tokushima685,000−1.44%
45 Kochi656,000−1.50%
46 Shimane642,000−1.23%
47 Tottori531,000−1.12%

Largest cities in Kagawa

City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.

  1. Takamatsu418,994
  2. Marugame109,513
  3. Mitoyo65,713
  4. Kan’onjichō57,438
  5. Sakaidechō57,090
  6. Shido47,003

Questions

What is the population of Kagawa in 2026?
The latest official figure is 917,000, for 1 October 2024 (Statistics Bureau of Japan). If last year’s change continues, Kagawa would have about 901 thousand people by 1 July 2026; that is our arithmetic, not an official figure. Prefecture estimates are published in thousands each spring; results of the 2025 census will supersede them.

Is Kagawa’s population growing or shrinking?
It shrank by 9,000 people (−0.97%) in the latest year.

How does Kagawa rank in Japan?
Kagawa is 38th of Japan’s 47 prefectures, with 0.7% of the people. Tokyo is the largest, with 14.2 million.

What is the population density of Kagawa?
About 493 people per km², on 1,862 km². Total area, Wikidata.

What is the largest city in Kagawa?
Takamatsu, with about 419 thousand people in the city proper. Metro areas are larger, and years differ (GeoNames).

Source and method

Statistics Bureau of Japan, Population Estimates. Reuse with credit under the e-Gov terms. Total area, Wikidata. Prefecture estimates are published in thousands each spring; results of the 2025 census will supersede them. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for Japan, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.

Cite this page: Kagawa population, Statistics Bureau of Japan, 1 October 2024. GlobeMetrics, https://globemetrics.org/world-population/japan/kagawa/

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