in 1950 New York and Tokyo were the only
so-called mega cities cities with more
than 10 million inhabitants by 1980
these were joined by Mexico City Sall
Paulo and Osaka in 2010 there were over
20 mega cities spanning almost every
continent today there are 32 mega cities
urbanization is happening faster than at
any time in human history Asia accounts
for over half of today's mega cities by
2030 nearly 9 percent of the world's
population will live in 41 mega cities
but it's in Africa where some of the
most rapid urbanization will take place
in the future
you