Table 1. Percentage distribution of study participants by country and region of Africa.

Countries with their Region	Year of study	Unweighted sample size (315,186)	Unweighted Percentage (%)	Weighted sample size (318,186)	Weighted Percentage (%)
Eastern Africa		145,385	46.09	145,797	45.82
Burundi	2016/17	23,070	7.31	23,050	7.24
Ethiopia	2016	25,542	8.10	25,927	8.15
Uganda	2018/19	23,438	7.43	23,437	7.37
Zambia	2018	24,361	7.72	24,463	7.69
Zimbabwe	2015	17,831	5.65	17,845	5.61
Malawi	2017	31,143	9.87	31,075	9.77
Western Africa		134,846	42.75	136,418	42.87
Benin	2017/18	13,262	4.20	13,193	4.15
Sierra Leone	2019	20,498	6.50	20,719	6.51
Gambia	2019/20	15,627	4.95	15,740	4.95
Guinea	2018	11,957	3.79	12,112	3.82
Liberia	2019/20	11,251	3.57	11,293	3.55
Mali	2018	11,803	3.74	12,653	3.98
Nigeria	2018	50,448	15.99	50,708	15.94
Central Africa		35,217	11.16	35,970	11.30
Angola	2015/16	16,161	5.12	16,736	5.26
Cameroon	2018	19,056	6.04	19,235	6.05