Sources for Japanese Economic Statistics
From ShashiWiki
"Historical Statistics of Japan" Ministry of International Affairs and Communications, Statistical Research and Training Institute, Statistics Bureau. October 31st, 2007. <http://www.stat.go.jp/english/data/chouki/index.htm>
This site, run by the Statistics Bureau of Japan, contains statistics on pretty much everything the government surveys. Data is available in excel files. Coverage varies, with some files going back to the 1940s.
Matsuoka, Mikihiro and Brian Rose "The DIR Guide to Japanese Economic Statistics" New York: Oxford University Press. 1994. Daiwa Institute of Research Ltd. OCLC 30428391
This book explains Japanese statistics, including comparisons with other nations.