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Summary of the Results of Internal Migration in 2010
Released on April 28, 2011
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The number of inter-prefectural migrants has decreased for 15 straight years, the rate of the migration was 1.85% which was the lowest in the record
- The number of Japanese internal migrants was 5,084,579 persons and the rate of migration was 4.04%, a decrease for 7 straight years.
- The number of Japanese inter-prefectural migrants was 2,332,392 persons and the rate of migration was 1.85%, a decrease for 15 straight years. The rate was the lowest record in the past.
- The number of Japanese intra-prefectural migrants was 2,752,187 persons and the rate of migration was 2.19%, a decrease for 7 straight years.
Aichi-ken had minus net-migration for the first time in 14 years since 1996
- Regarding the net-migration for prefectures, 8 prefectures had a plus net-migration in 2010 (10 prefectures in 2009): Tokyo-to (48,331 persons), Saitama-ken (15,424 persons), Kanagawa-ken (14,887 persons), and so on. Among these prefectures, the number of plus net-migration decreased in 6 prefectures except Fukuoka-ken and Shiga-ken. The rate of the net-migration in Tokyo-to (0.38%) had the highest plus rate, followed by Chiba-ken (0.23%) and Saitama-ken (0.22%), and so on.
- On the other hand, 39 prefectures had minus net-migration in 2010: Hokkaido (8,637 persons), Fukushima-ken (5,752 persons), Aomori-ken (5,032 persons) and so on. Among these prefectures, Aichi-ken and Hyogo-ken changed from plus to minus, compared with the previous year. Aichi-ken had minus net-migration for the first time in 14 years since 1996. The rate of the net-migration in Aomori-ken (0.37%) had the lowest minus rate, followed by Akita-ken (0.34%) and Nagasaki-ken (0.34%), and so on.
The number of net-migration for 3 major metropolitan areas was less than 100,000 persons for the first time in 6 years
- The net-migration for 3 major metropolitan areas (Tokyo Area, Nagoya Area and Osaka Area) had a plus net-migration of 76,137 persons for 15 straight years since 1996. Compared with the previous year, net-migrations decreased 28,232 persons in the areas. The number of net-migration for the areas were less than 100,000 persons for the first time in 6 years since 2004.
- The Tokyo Area had a net-migration of plus 92,829 persons. The rate of net-migration was 0.27%, down 0.07 point from the previous year.
- The Nagoya Area had a net-migration of minus 6,242 persons. The rate of net-migration was 0.06%. Compared with the previous year, the rate increased 0.02 point.
- The Osaka Area had a net-migration of minus 10,450 persons. The rate of net-migration was 0.06%. Compared with the previous year, the rate increased 0.01 point.
Two-thirds of the Inter-prefectural migrants were 18-39 years old
By age, 22 year-old inter-prefectural migrants were 124,901 persons (5.4% of the total inter-prefectural migrants), the largest number among all ages, followed by 24 year-old (99,427 persons; 4.3%) and 25 year-old (96,643 persons; 4.1%). Inter-prefectural migrants in their 20s and 30s accounted for a large share of all ages.
In addition, 18 year-old inter-prefectural migrants were 77,856 persons (3.3%), the eighth largest number among all ages. Inter-prefectural migrants aged 18-39 accounted for 65.6%.
