. 2016 Jan 25;25(Suppl Suppl 1):9–28. doi: 10.1002/hec.3305

Table 2.

Top 20 countries most frequently studied in economic evaluations by income group

	High income			Upper‐middle‐income			Low and lower‐middle‐income
Rank	Country	N	%	Country	N	%	Country	N	%
1	USA	813	35%	China	116	30%	Uganda	49	27%
2	UK	478	20%	South Africa	71	18%	India^a	41	22%
3	Netherlands	183	8%	Brazil	56	14%	Kenya^a	41	22%
4	Canada	162	7%	Thailand	36	9%	Zambia	39	21%
5	Spain	136	6%	Iran	31	8%	Malawi	35	19%
6	Germany	109	5%	Colombia^a	28	7%	Nigeria^a	34	18%
7	Australia	100	4%	Mexico^a	28	7%	Tanzania^a	34	18%
8	Italy	98	4%	Turkey	24	6%	Zimbabwe	33	18%
9	Sweden	74	3%	Botswana^a	23	6%	Congo, Dem. Rep.	30	16%
10	France	57	2%	Namibia^a	23	6%	Ethiopia	29	16%
11	Japan	45	2%	Angola	18	5%	Lesotho^a	28	15%
12	Belgium	42	2%	Gabon	17	4%	Mozambique^a	28	15%
13	Denmark	33	2%	Mauritius^a	14	4%	Rwanda^a	28	15%
14	Korea, Rep.^a	31	1%	Peru^a	14	4%	Vietnam^a	28	15%
15	Norway^a	31	1%	Seychelles^a	14	4%	Ghana	27	15%
16	Greece	29	1%	Bulgaria	13	3%	Central African Republic	26	14%
17	Ireland	27	1%	Argentina^a	12	3%	Burundi^a	25	14%
18	Switzerland^a	24	1%	Hungary^a	12	3%	Cameroon^a	25	14%
19	Finland^a	24	1%	Maldives	11	3%	Eritrea^a	25	14%
20	Taiwan	23	1%	Serbia	10	3%	Burkina Faso	24	13%
High‐income countries		2350	100%	Upper‐middle‐income countries	391	100%	Low‐ and lower‐middle‐income countries	184	100%

Equal ranking with country above and/or below.