The Lancang-Mekong Cooperation (LMC) members are China, Cambodia, Laos, Myanmar, Thailand and Vietnam. The total population of the six countries reaches 1.643 billion in 2019 and constitutes 36.2% of the Asian population. The total area of the six countries is 11.54 million square kilometers, making up 25.9% of the total area of Asia. The GDP of the six countries stands at 15.3 trillion U.S. dollars, accounting for 48.35% of the GDP of Asia. Details about these countries in 2019 are:

1. China

With a population of 1.4 billion and an annual growth rate of 0.33%, China covers a land area of 9.6 million square kilometers (official statistic of China). Its urbanization rate is 60.6% and its GDP is 14362.87 billion U.S. dollars, up by 6.1% year-on-year. China's GDP per capita is 10,276 U.S. dollars, up by 5.8% year-on-year. Its total volume of export and import is 4.58 trillion U.S. dollars.

2. Cambodia

With a population of 16 million, Cambodia is 180,000 square kilometers in area. Its GDP is 26. 8 billion U.S. dollars, up by 7.1% year-on-year. Cambodia's GDP per capita is 1679 U.S. dollars. Bilateral trade between Cambodia and China is 9.43 billion U.S. dollars, up by 27.7% year-on-year.

3. Laos

With a population of 7.23 million, Laos is 236,800 square kilometers in area. The country’s GDP is around 19 billion U.S. dollars, and its GDP per capita is 2765 U.S. dollars. Bilateral trade between Laos and China is 3.92 billion U.S. dollars, up by 12.9% year-on-year.

4. Myanmar

With a population of 54.58 million, Myanmar is 676,600 square kilometers in area. Its GDP is 76 billion U.S. dollars. Its bilateral trade volume with China is 18.7 billion U.S. dollars, up by 22.8% year-on-year.

5. Thailand

With a population of 69 million, Thailand is 513,100 square kilometers in area. Its GDP is 523.7 billion U.S. dollars, up by 2.4% year-on-year. Bilateral trade between Thailand and China is 91.75 billion U.S. dollars, up by 4.8% year-on-year.

6. Vietnam

With a population of 96.2 million, Vietnam is 329,600 square kilometers in area. Vietnam's GDP is 262 billion U.S. dollars, up by 7.02% year-on-year, and its GDP per capita is 2800 U.S. dollars. Its total volume of export and import is 517.3 billion U.S. dollars, up by 7.6% year-on-year. Bilateral trade between Vietnam and China is 162 billion U.S. dollars, up by 9.6% year-on-year.