Africa: rich and poor.

• Position: GRAPH: INTERNATIONAL - Graph

The violence that began sweeping through Kenya in December after a disputed presidential election is just the latest turmoil in subSaharan Africa. It's no coincidence that one of the poorest regions in the world is also home to some of the most oppressive regimes and violent conflicts.

As the graph shows, even the wealthiest countries in that region barely top the world's average G.D.P. per capita and come nowhere near that of the U.S, which stands at $42,000.

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This graph shows the richest and poorest Sub-Saharan African countries in terms of per-capita Gross Domestic Product, the value of all goods and services produced in a country in a year, divided by population.

For bars showing multiple countries, each country has the same per-capita G.D.P.

(1) What is the approximate difference in dollars between the per capita GDP of the wealthiest country shown and the three poorest ones?

a $13,000

b $12,700

c $12,500

d $12,200

(2) The African country of--has a per-capita GDP that is closest to the world average GDP.

(3) Which of the African countries shown has a per-capita GDP that is about 12 percent that of the world average?

a Burundi

b Zambia

c Tanzania

d Kenya

(4) South Africa is a major exporter of gold and diamonds. Suppose these exports helped raise its per capita GDP by 5 percent. What would the nation's per capita GDP be then?

a nearly $13,000

b nearly $14,000

c nearly $14,500

d nearly $15,500

(5) Senegal, not shown, has a per capita GDP that is 200 percent higher...