1,000. The net increase in population was 1,028,623 in 1935, but notably reduced to 653,000 in 1939 and 239,000 in 1940. Among the great countries, the birth average of Japan immediately followed British India (34.9) and was double that of the United States (16.7). This was accompanied by a growth in rice production between 1880–1940 of 60 million koku (300 million bushels). These programs were guided by Katsuko Tojo, General Tojo's wife. She said wives should have seven children and suggested this should be the correct Japanese mother. This included participation by the central government, as she suggested creating one program for increasing the number of marriages. See also Agriculture in the Empire of Japan Demographics of Imperial Japan Japanese heavy industry during WW2 times Japanese mining and energy resources (WWII) Japanese exterior Commerce during WW2 Times Japanese-German pre-WWII industrial co-operation Japanese Nuclear Weapons Development Empire of Japan (foreign commerce and shipping) References JAPAN'S MILITARY AGGRESSION IN EAST ASIA 1931–1937 at users.bigpond.com/battleforaustralia Japan's Economic Expansion into Manchuria and China in World War Two at historyorb.com Author: James Graham Published: May, 2004 External links Why Japan Really Lost The War Economic history of Japan Economic history of World War II Economy