| ECUADOR | Country in South America (109,484 sq miles; pop 18 million), independent since 1822 (7) |
| CHILEAN | Relating to a country in South America (286,397 sq miles; pop 18 million), independent since 1818 (7) |
| ECUADORIAN | Relating to a country in South America (pop about 18 million), independent since 1822 (10) |
| CHILE | S American country (291,930 sq miles. pop 18 million), independent since 1818 (5) |
| MALI | Country in west Africa (464,752 sq miles; pop 18 milllion), independent since 1960 (4) |
| ROMANIA | Country in south-east Europe (91,699 sq miles; pop about 18 million). It joined NATO in 2004 (7) |
| MALAWI | Country in south-east Africa (45,747 sq miles; pop about 18 million), independent since 1964 (6) |
| RUMOURS | 1977 album that has sold over 18 million copies -- and provided Bill Clinton's 1992 campaign song |
| BOLIVIA | La Paz is the capital city of this country in South America (7) |
| URUGUAY | The second smallest country in South America (7) |
| ZAIRE | Former name for large country in southcentral Africa (about 900,000 sq miles; pop about 18 million) (5) |
| PERU | Country in South America (0.5 million sq miles; pop about 35 million), independent since 181 (4) |
| COLOMBIA | Country in South America (456,535 sq miles; pop about 50 million), independent from Spain in 1810 (8) |
| ECUADORAN | Citizen of a country in South America (104,505 sq miles; pop 17 million), independent since 1830 (9) |
| BOLIVIAN | Relating to a country in South America (425,000 sq miles; pop 12 million), independent since 1825 (8) |
| SURINAME | Small country in South America (63,252 sq miles; pop 600,000), independent since 1975 (8) |
| MALL | The world's largest one is in Chengdu, China (covering 18 million square feet) |
| DELHI | Indian metropolis of 18+ million |
| SRILANKANS | 18 million Asians |
| ARGENTINA | Country in South America, independent since 1816 (9) |