But ultimately, with the population doubling every generation, the Sahel cannot survive on subsistence agriculture.

Most Solomon Islanders live on subsistence agriculture and fishing.

Most people depend on subsistence agriculture and their resources are often overstretched just feeding their families.

Most of Malawi's 12 million people live below the poverty line and survive on subsistence agriculture.

The programme gives individual farmers the skills to move from bare subsistence agriculture to income-generating farming.

What farming exists is almost entirely subsistence agriculture.

Guyana didn't have a lot going for it and many of the people practiced subsistence agriculture.

Most members of Africa's informal-sector workforce are involved in subsistence agriculture, and are less likely to be affected.

Even sub-orbital machines were the apex of a pyramid, huge and old, resting on things like subsistence agriculture.

There are tens of millions of people living in regions where limited rainfall provided enough water for subsistence agriculture.

The majority of Solomon Islanders live on subsistence agriculture with less than a quarter of the population having paid jobs.

In the absence of barter economy, the economy might have ground to a complete halt and deteriorated to subsistence agriculture.

While only a few got rich, most made a much better living than they would have done in rubber-tapping, fishing or subsistence agriculture.

The two Samoas and Tonga have a combined population of about 400,000 people and rely on subsistence agriculture, fishing and tourism.