ASEAN

The full form of ASEAN is Association of South-East Asian Nations. The association was founded in the year 1967 with the aim to increase social, economic and cultural growth of South-East Asia. At the time of its foundation, there were only 5 members but presently there are 10 members in this association. The members are as follows :
1. Brunei
2. Cambodia
3. Indonesia
4. Laos
5. Malaysia
6. Myanmar
7. Philippines
8. Singapore
9. Thailand
10. Vietnam

List of 10 Most Populous Countries

The decreasing order of most populous countries in the world is as follows :
1. China 
2. India
3. United States of America
4. Indonesia
5. Brazil
6. Pakistan
7. Nigeria
8. Russia
9. Bangladesh
10. Japan 

Top 10 Countries Having Largest Area

Following is the list of top 10 countries in the world having largest area. The list shows the decreasing order of area of countries. 
1. Russia
2. Canada
3. China 
4. United States of America
5. Brazil
6. Australia
7. India
8. Argentina
9. Kazakhstan
10. Algeria