the top 10 world food grains producing countries were:

China

China

China is the world's largest producer of rice and wheat, two of the most significant food grains.

India

India

India is the second-largest producer of rice and wheat and a major producer of other food grains like millets and pulses.

United State

United State

The United States is a significant producer of corn (maize) and wheat.

Russia

Russia

Russia is a major producer of wheat.

Brazil

Brazil

Brazil is a significant producer of corn.

Indonesia

Indonesia

Indonesia is a major producer of rice.

Pakistan

Pakistan

Pakistan is a significant producer of wheat and rice.

Bangladesh

Bangladesh

Bangladesh is a major producer of rice.

Nigeria

Nigeria

Nigeria is a significant producer of rice and other food grains like maize.

Vietnam

Vietnam

Vietnam is a major producer of rice.

the rankings and production quantities of food grains may change over time due to various factors, including weather conditions, agricultural policies, and economic developments.

For the most up-to-date information, it is best to refer to the latest reports from agricultural organizations and government sources.