The popularity of President Jonathan dropped dramatically nationally, except in his home, oil-rich state.

Al Faiha is an oil-rich state involved in trading.

The bank was particularly aggressive in the then-developing Middle East oil-rich states.

China, it seems, is suddenly everywhere in Africa, not just in oil-rich states.

Yet at the last count there were six oil-rich states bordering the Gulf.

The killing comes three weeks before a presidential election in this oil-rich former Soviet state.

United Nations officials have been disappointed with the low profile of oil-rich Arab states.

They were sentenced to varying prison terms for their part in setting off explosions in the oil-rich state more than four years ago.

Meanwhile we should tackle the lack of democracy in the oil-rich states.

One can only hope that the oil-rich states will contribute.