Well, I can tell you MOST of it comes from Asia, since Asia produces it. See the related link on rice production by country.
asia
Approximately 60 percent of the world's population lives in Asia.
80 percent
Asia.
60 percent of the worlds hunger is from the Indian Subcontinent, and 40 percent is from Asia and Africa.
Europe, Africa, Asia
a peninsula in southern Asia making up 20 percent of the worlds population
About 50% of the worlds oil comes from the southwest Asia area, Saudi Arabia, Iran, Iraq, etc
Asia is home to about 55% of the worlds population.
30 Present of the worlds population belongs to east Asia
The Continent SE of Asia is Australia, The worlds smallest continent , the worlds largest island, and the worlds only country that is also a continent.