data japanData refers to a 5-year period preceding the reference year. j : Refers to foren citizens. k : Data as at the end of December. l : 2018: m : 2014: n : 2017: o : Data are as at 1 January ofA database of Statistical Office of the European Communities (EUROSTAT) data provided by Data Service & Information Inc. ... It is the largest newspaper article database in Japan,