- The world’s largest megacity is Tokyo with a population of 34,200,000
- Lagos, Nigeria is the most polluted city in the world according to TipTopTens.com
- Tokyo is the richest city in the world, followed by New York City
- Bogotá Colombia is the most dangerous city in 2011
- The biggest slum in the world is Dharavi found around the suburbs of Mumbai, India covering 175 hectares
- The most expensive city to live in is Tokyo with food costing approximately 35% higher than in New York city according to Business Insider (ECA Insider)
…and the fastest growing city is Beihai, China with an average annual growth rate of 10.58%!