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South Africa's wealth and stability has drawn millions of migrants from elsewhere in Africa. Yet migration has tested the Rainbow Nation's unity and values.

In recent weeks the country has been the scene of deadly mob attacks against immigrants from other African nations. Earlier this month, twelve people were killed and thousands forced from their homes in a wave of mob violence targeting immigrants.

This kind of violence has happened periodically for more than a decade now - and many of South Africa’s neighbors are angry. After the most recent attacks, Nigeria recalled its ambassador and boycotted an economic meeting in South Africa. Zambia and Madagascar canceled sporting events with South African teams.

On this edition of Global Journalist, a look at South Africa’s xenophobia problem - and how it relates to rising anti-foreigner sentiment in the U.S. and Europe.


James Cridland/Creative Commons via Flickr

Overpopulation has been debated since British economist Thomas Malthus famously warned in 1798 that humans could reproduce far faster than they could increase their food supply.

But since Malthus's time, world population has grown from 800 million to 7.5 billion today. Yet worries about overpopulation are back. In part that's because lots more people are on the way, complicating efforts to deal with problems like climate change and water scarcity.

The UN forecasts that in the near future the world will add about 83 million people annually. By 2100, world population will grow to 11.2 billion.

On this edition of Global Journalist: a look at the growth of human population and the debate about its risks.


Crystal Davis/World Resources Institute / Flickr

Overpopulation has been debated since British economist Thomas Malthus famously warned in 1798 that humans could reproduce far faster than they could increase their food supply.

But since Malthus's time, world population has grown from 800 million to 7.5 billion today. Yet worries about overpopulation are back. In part that's because lots more people are on the way, complicating efforts to deal with problems like climate change and water scarcity.

The UN forecasts that in the near future the world will add about 83 million people annually. By 2100, world population will grow to 11.2 billion.

On this edition of Global Journalist: a look at the growth of human population and the debate about its risks.


Joseph Schatz / Associated Press

Zambia is one of the world’s richest nations, as long as you measure wealth by natural resources.