Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The 1930 Dutch East Indies census (Dutch: Volkstelling 1930) was the last census of the Dutch East Indies. The total population was enumerated to be 60,727,233. Its population density in 1930 was 31.9 inhabitants/km.