Topic
- Gross domestic product 8
- Gross national product 7
- Political parties 7
- Population 7
- Water-supply 7
- Labor 6
- Technology 6
- Armed Forces 5
- Exports 5
- Imports 5
- International regimes 5
- United States. Agency for International Development 5
- Banks and banking 4
- Elections 4
- Investments, Foreign 4
- Aswan High Dam (Egypt) 3
- Canals 3
- Groundwater 3
- History 3
- Hydrology 3