Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Congo [The Democratic Republic of the], Congo [The Democratic Republic of the], Côte dIvoire, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-bissau, Kenya, Liberia, Malawi, Mali, Mauritania, Mozambique, Namibia, Nigeria, Rwanda, Sâo Tomé e Principe, Senegal, Sierra Leone, Somalia, South Africa, Sudan, Swaziland, Tanzania [United Republic of], Togo, Uganda, Yemen, Zambia, Zimbabwe.
Senegal east to Sudan and Ethiopia and south to South Africa, including Bioko (Fernando Póo); possibly also in south-western Arabia, where status unclear.
 
Population
Estimated population is unknown (2010).
Klaas's Cuckoo (Chrysococcyx klaas) [XC378542]
by Peter de Rouw from D\u00f4mes de Fabedougou, Como\u00e9, Burkina Faso (song)
Klaas's Cuckoo (Chrysococcyx klaas) [XC519854]
by Tony Archer from Ebb & Flo area, Wilderness National Park, South Cape DC, Western Cape, South Africa (song)
Subspecies
Birds from Arabia were proposed as possible subspecies arabicus.