Capital: Ankara Population: 75.9 million GDP: $822 billionCapital: Santiago Population: 17.8 million GDP: $277 billionCapital: Berlin Population: 80.9 million GDP: $3.7 tillionCapital: Vienna Population: 8.5 million GDP: $428 billionCapital: Washington, DC Population: 318.9 million GDP: $16.8 trillionCapital: London Population: 64.5 million GDP: $2.7 trillionCapital: Tokyo Population: 127.1 million GDP: $4.9 trillionCapital: Copenhagen Population: 5.6 million GDP: $336 billionCapital: Singapore Population: 5.5 million GDP: $298 billionCapital: San Jose Population: 4.8 million GDP: $49.6 billionCapital: Athens Population: 11 million GDP: $242 billionCapital: Dublin Population: 4.6 million GDP: $232 billionCapital: Lisbon Population: 10.4 million GDP: $227 billion Capital: Buenos Aires Population: 43 million GDP: $610 billion Capital: Stockholm Population: 9.7 million GDP: $580 billionCapital: Mexico City Population: 125.4 million GDP: $1.3 trillionCapital: Paris Population: 66.2 million GDP: $2.8 trillionCapital: Amsterdam Population: 16.9 million GDP: $854 billionCapital: Bangkok Population: 67.7 million GDP: $387 billionCapital: Ottawa Population: 35.5 million GDP: $1.8 trillionCapital: Wellington Population: 4.5 million GDP: $186 billionCapital: Canberra Population: 23.5 million GDP: $1.6 trillionCapital: Madrid Population: 46.4 million GDP: $1.4 trillionCapital: Rome Population: 61.3 million GDP: $2.1 trillionCapital: Brasilia Population: 206.1 million GDP: $2.3 trillion