Nihon ni okeru kinnen no jinkō idō : dai 6-kai jinkō idō chōsa (2006-nen shakai hoshō, jinkō mondai kihon chōsa) = The sixth national survey on migration, 2006
Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei chizu. Kaikyū messhu mappu : tsuketari, Heisei 2-nen kokusei chōsa ni kansuru chiiki messhu tōkei no gaiyō = Statistical maps on grid square basis : compiled from the results of the 1990 population census
Heisei 2-nen kokusei chōsa hōkoku. Dai 7-kan, jinkō idō shūkei kekka = 1990 population census of Japan. Volume 7, Results of tabulation on internal migration