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Japan · prefecture

Saga population 2026

佐賀県

Saga has 788,000 people on the latest official figure, for 1 October 2024 (published to the nearest thousand), 7,000 fewer than a year earlier (−0.88%). It is 42nd of Japan’s 47 prefectures by population, home to 0.6% of Japan’s people.

If last year’s change continues: about 776 thousand by 1 July 2026. That is our arithmetic, not an official figure.

Saga in numbers

Population
788 thousand 1 October 2024
Change in a year
−0.88% −7,000 people
Share of Japan
0.6% 42nd of 47 prefectures
Population density
323per km² 2,440 km²

That is about as many people as Bhutan (802 thousand).

Population of Saga by year

Population of Saga
788k
› Show the numbers as a table
YearPopulation
2021806,000
2022801,000
2023795,000
2024788,000
YearPopulationChange
2024 788,000 −7,000
2023 795,000 −6,000
2022 801,000 −5,000
2021 806,000 –

Saga 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 Saga

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

  1. Saga233,301
  2. Karatsu117,663
  3. Tosu74,196
  4. Imarichō-kō57,940
  5. Takeo47,914
  6. Ogi43,952

Questions

What is the population of Saga in 2026?
The latest official figure is 788,000, for 1 October 2024 (Statistics Bureau of Japan). If last year’s change continues, Saga would have about 776 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 Saga’s population growing or shrinking?
It shrank by 7,000 people (−0.88%) in the latest year.

How does Saga rank in Japan?
Saga is 42nd of Japan’s 47 prefectures, with 0.6% of the people. Tokyo is the largest, with 14.2 million.

What is the population density of Saga?
About 323 people per km², on 2,440 km². Total area, Wikidata.

What is the largest city in Saga?
Saga, with about 233 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: Saga population, Statistics Bureau of Japan, 1 October 2024. GlobeMetrics, https://globemetrics.org/world-population/japan/saga/

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