Q 01/05

A megacity is usually defined as an urban area with more than how many people?

A) 1,000,000

B) 5,000,000

C) 10,000,000

D) 20,000,000

Answer · why

C) 10,000,000

By that measure the UN counted 33 in 2025; other bodies count as many as 42.

Q 02/05

Which urban area did the UN list as the world's largest megacity in 2025?

A) Delhi

B) Jakarta

C) Tokyo

D) Shanghai

Answer · why

B) Jakarta

Greater Jakarta held over 40 million people in 2025; satellite sources point instead to China's Pearl River Delta.

Q 03/05

Which city is widely considered the most densely populated built-up urban area in the world?

A) Manila

B) Lagos

C) Dhaka

D) Mumbai

Answer · why

C) Dhaka

With about 36.6 million people it is also the second-largest city on the planet.

Q 04/05

Which Chinese municipality is the largest 'city proper' in the world, at roughly the size of Austria?

A) Beijing

B) Chongqing

C) Guangzhou

D) Shanghai

Answer · why

B) Chongqing

About 30% of its 30 million people are farmers living in rural areas.

Q 05/05

Which city is the world's most populous national capital?

A) Delhi

B) Beijing

C) Mexico City

D) Tokyo

Answer · why

B) Beijing

More than 21.8 million residents; Peking was the old romanisation.