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Home > Statistics > Report on Internal Migration in Japan > Summary of the Results > Summary of the Results of Internal Migration in 2015

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Summary of the Results of Internal Migration in 2015

Released on April 28, 2016

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The number of inter-prefectural migrants has increased for the first time since 2011, the rate of migration was the first increase since 1995

  • The number of Japanese internal migrants was 5,041,483 and the rate of migration was 4.04%, up 0.13 points from the previous year.
  • The number of Japanese inter-prefectural migrants was 2,334,738, an increase for the first time since 2011. The rate of migration was 1.87%, up 0.07 points from the previous year. This was the first increase since 1995.
  • The number of Japanese intra-prefectural migrants was 2,706,745 and the rate of migration was 2.17%, up 0.06 points from the previous year. This was the first increase since 2013.

figure1 Changes of Number of Internal Migrants : 1954 to 2015


The number of positive net-migration for Tokyo-to had increased for the fourth straight year. Osaka-fu and Okinawa-ken had positive net-migration for the first time since 2013

  • Regarding the net-migration for prefectures, eight prefectures had positive net-migration in 2015: Tokyo-to (81,696 persons), Saitama-ken (13,528 persons), Kanagawa-ken (13,528 persons), and so on. Among these prefectures, the net-migration in Osaka-fu and Okinawa-ken changed from negative to positive. Both prefectures had positive net-migration for the first time since 2013. The number of positive net-migration for Tokyo-to had increased for the fourth straight year, and the number for Saitama-ken was the first increase since 2012. The rate of positive net-migration in Tokyo-to (0.63%) was the highest, followed by Saitama-ken (0.19%), and so on.
  • On the other hand, thirty-nine prefectures had negative net-migration in 2015: Hokkai-do (8,862 persons), Hyogo-ken (7,409 persons), Niigata-ken (6,735 persons), and so on. The rate of negative net-migration in Aomori-ken (0.50%) was the highest, followed by Akita-ken (0.44%), Nagasaki-ken (0.43%), and so on.

figure2 Number of Net-migration for Prefectures : 2013 and 2015


The number of positive net-migration for Tokyo Area had increased by 9,949 persons. Nagoya Area and Osaka Area had negative net-migration for the third straight year

  • The net-migration for all three major metropolitan areas (Tokyo Area, Nagoya Area and Osaka Area) had a positive net-migration of 108,913 persons. This was the twentieth consecutive year to have positive net-migration. Compared with the previous year, positive net-migration increased by 12,030 persons for these areas.
  • The Tokyo Area had a positive net-migration of 119,357 persons. This was the twentieth straight year. The rate of positive net-migration was 0.34%, up 0.03 points from the previous year.
  • The Nagoya Area had a negative net-migration of 1,090 persons. This was the third straight year. The rate of negative net-migration was 0.01%, unchanged from the previous year.
  • The Osaka Area had a negative net-migration of 9,354 persons. This was the third straight year. The rate of negative net-migration was 0.05%, down 0.01 points from the previous year.

figure3 Changes in Rate of Net-migration for 3 Major Metropolitan Areas : 1954 to 2015


The total number of negative net-migration for Iwate-ken, Miyagi-ken and Fukushima-ken was 6,593, compared with the previous year, negative net-migration increased by 3,619 persons in these areas

  • The total number of negative net-migration for Iwate-ken, Miyagi-ken and Fukushima-ken was 6,593, compared with the previous year, negative net-migration increased by 3,619 persons in these areas.
  • Iwate-ken and Fukushima-ken had negative net-migration, which was unchanged from the previous year. The net-migration in Miyagi-ken changed from positive to negative. Negative net-migration in Miyagi-ken was the first time since 2011.

figure4 Changes of Number of Net-migration for Iwate-ken , Miyagi-ken and Fukushima-ken : 1954 to 2015

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