Table 1

Household sample surveys and population censuses undertaken since 1989 used in the analysis comprising six DHS, five MICS, three population censuses, two AIS, three MIS, two WMS and two KIHBS

Survey	Year	Number of counties	Number of households	Clusters/units	Women aged 15–49 years
DHS	1989	38	8173	393	7150
	1993	40	7950	520	7540
	1998	38	8380	536	7881
	2003	47	8561	400	8195
	2008/2009	47	9057	400	8444
	2014	47	36 430	1612	31 079
MICS	2000	42	9045	900	10 537
	2007	3	881	62	881
	2008	8	14 677	650	13 606
	2011	6	6828	300	5908
	2013/2014	3	3744	158	3348
Population Census	1989	47	224 861	36 979	238 027
	1999	47	317 106	61 921	345 647
	2009	47	243 858	96 253	934 904
AIS	2007	47	9691	402	5991
AIS	2012	44	8035	371	7958
MIS	2007	43	6854	200	6111
	2010	47	6538	240	5749
	2015	47	6481	245	5394
WMS	1994	47	10 860	1172	13 385
WMS	1997	41	10 873	1107	2484
KIHBS	2005/2006	47	13 390	1339	16 446
KIHBS	2015/2016	47	21 773	2387	23 768

Table includes the number of counties covered, clusters and number of women of childbearing (15–49 years).
AIS, AIDS Indicator Survey; DHS, Demographic and Health Surveys; KIHBS, Kenya Integrated Household Budget Survey; MICS, Multiple Indicator Cluster Surveys; MIS, Malaria Indicator Surveys; WMS, Welfare Monitoring Surveys.