The population of many countries, (3) __________ in Africa and Asia, will increase greatly in the coming decades.

The (7) continuation and consequences of these population trends present opportunities as well as (8) __________for all societies in the twenty-first century

The (7) ___________ and consequences of these population trends

In 1950 only Tokyo and New York had populations of more (6) _________ 10 million people.

The report also indicates half of the world’s population will be city (5) _________ by 2007.

(4)___________, population levels in developed countries are expected to fall, because of decreased fertility rates caused by increased contraceptive use.

The report says population explosions will occur in Africa and Asia, but not in the (2) _________ of the world, “Considerable diversity exists in the expected population growth of countries.