The Most Similar Countries to Southeast Asia

1. Sri Lanka, 2. Taiwan, 3. Bangladesh, 4. China, 5. Samoa

The Most Similar Countries to Vietnam

1. Laos, 2. Thailand, 3. Cambodia, 4. China, 5. Myanmar

The Most Similar Countries to Thailand

1. Cambodia, 2. Vietnam, 3. Laos, 4. Myanmar, 5. Malaysia

The Most Similar Countries to Cambodia

1. Laos, 2. Myanmar, 3. Thailand, 4. Vietnam, 5. Indonesia