Table 1.

Populations that stand to be most affected by developments in the Lower Omo Valley and Lake Turkana environs, based on most recent census data for relevant districts (Ethiopia) and counties (Kenya) (Central Statistical Agency 2008, 2011; Kenya National Bureau of Statistics 2009). Given immigration into the region and high growth rates, these figures are conservative

	District (Ethiopia) or County (Kenya)	Area (sq km)	Latest census population
Ethiopia	Selamago	4450	27 866
	Nyàngatom	2649	17 640
	Dásanach	2102	52 708
Kenya	Turkana	71 598	855 399
Total		80 799	953 613