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Japan · prefecture

Nagano population 2026

長野県

Nagano has 1,987,000 people on the latest official figure, for 1 October 2024 (published to the nearest thousand), 17,000 fewer than a year earlier (−0.85%). It is 16th of Japan’s 47 prefectures by population, home to 1.6% of Japan’s people.

If last year’s change continues: about 2 million by 1 July 2026. That is our arithmetic, not an official figure.

Nagano in numbers

Population
2 million 1 October 2024
Change in a year
−0.85% −17,000 people
Share of Japan
1.6% 16th of 47 prefectures
Population density
146per km² 13,585 km²

That is about as many people as Equatorial Guinea (2 million).

Population of Nagano by year

Population of Nagano
2M
› Show the numbers as a table
YearPopulation
20212,033,000
20222,020,000
20232,004,000
20241,987,000
YearPopulationChange
2024 1,987,000 −17,000
2023 2,004,000 −16,000
2022 2,020,000 −13,000
2021 2,033,000 –

Nagano 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 Nagano

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

  1. Nagano372,760
  2. Matsumoto241,145
  3. Ueda157,480
  4. Iida101,536
  5. Saku99,131
  6. Azumino94,222

Questions

What is the population of Nagano in 2026?
The latest official figure is 1,987,000, for 1 October 2024 (Statistics Bureau of Japan). If last year’s change continues, Nagano would have about 2 million 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 Nagano’s population growing or shrinking?
It shrank by 17,000 people (−0.85%) in the latest year.

How does Nagano rank in Japan?
Nagano is 16th of Japan’s 47 prefectures, with 1.6% of the people. Tokyo is the largest, with 14.2 million.

What is the population density of Nagano?
About 146 people per km², on 13,585 km². Total area, Wikidata.

What is the largest city in Nagano?
Nagano, with about 373 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: Nagano population, Statistics Bureau of Japan, 1 October 2024. GlobeMetrics, https://globemetrics.org/world-population/japan/nagano/

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