What countries eat rice as the main part of their diet?

It's impossible to say definitively which countries eat rice as the "main" part of their diet. Dietary habits vary widely within countries, and "main" is subjective. However, rice is a staple food in many cultures, and these are some countries where it plays a significant role:

Asia:

* East Asia: China, Japan, South Korea, Taiwan, Vietnam, North Korea

* Southeast Asia: Thailand, Cambodia, Laos, Myanmar, Malaysia, Indonesia, Singapore, Philippines

* South Asia: India, Bangladesh, Pakistan, Sri Lanka, Nepal, Bhutan, Maldives

Other Regions:

* Latin America: Cuba, Dominican Republic, Puerto Rico

* Africa: Madagascar, Senegal, Sierra Leone, Liberia, Guinea, Ivory Coast, Ghana, Nigeria, Cameroon, Benin, Togo, Niger, Mali, Burkina Faso

* Caribbean: Haiti, Jamaica

Important Notes:

* Regional Differences: Even within these countries, rice consumption varies significantly between regions. For example, rice is more prevalent in the southern and eastern parts of India compared to the north.

* Alternatives: Many cultures have other staple foods alongside rice, such as wheat, corn, or potatoes.

* Modernization: Diets are evolving, and in some regions, rice consumption is declining due to globalization and changes in food habits.

It's important to remember that this list is not exhaustive and represents a general overview.