View list in rank order
Rank		Country	Value	Date of Info
107		Afghanistan	17.2	2016
145		Akrotiri	N/A	2023
46		Albania	25.2	2017
13		Algeria	38.1	2017
140		American Samoa	7.3	2016
145		Andorra	N/A	2023
133		Angola	10.3	2017
38		Anguilla	26.8	2017
57		Antigua and Barbuda	23.9	2017
119		Argentina	14.8	2017
106		Armenia	17.3	2017
72		Aruba	22.3	2014
55		Australia	24.1	2017
60		Austria	23.5	2017
59		Azerbaijan	23.6	2017
41		Bahamas The	26.3	2017
42		Bahrain	26.1	2017
26		Bangladesh	30.5	2017
104		Barbados	17.6	2017
48		Belarus	24.9	2017
62		Belgium	23.3	2017
70		Belize	22.5	2017
36		Benin	27.6	2017
123		Bermuda	13.7	2017
3		Bhutan	47.2	2017
80		Bolivia	21.3	2017
111		Bosnia and Herzegovina	16.6	2017
29		Botswana	29	2017
116		Brazil	15.6	2017
145		British Indian Ocean Territory	N/A	2023
77		British Virgin Islands	21.7	2017
19		Brunei	32.6	2017
93		Bulgaria	19.2	2017
51		Burkina Faso	24.6	2017
16		Burma	33.5	2017
114		Burundi	16	2017
20		Cabo Verde	32.2	2017
76		Cambodia	21.8	2017
78		Cameroon	21.6	2017
65		Canada	23	2017
74		Cayman Islands	22.1	2017
123		Central African Republic	13.7	2017
55		Chad	24.1	2017
79		Chile	21.5	2017
7		China	42.7	2017
145		Christmas Island	N/A	2023
145		Cocos (Keeling) Islands	N/A	2023
73		Colombia	22.2	2017
87		Comoros	20	2017
115		Congo Democratic Republic of the	15.9	2017
8		Congo Republic of the	42.5	2017
145		Cook Islands	N/A	2023
108		Costa Rica	17.1	2017
71		Cote d'Ivoire	22.4	2017
87		Croatia	20	2017
136		Cuba	9.6	2017
91		Curacao	19.4	2016
82		Cyprus	21.1	2017
50		Czechia	24.7	2017
87		Denmark	20	2017
145		Dhekelia	N/A	2023
10		Djibouti	41.8	2017
79		Dominica	21.5	2017
75		Dominican Republic	21.9	2017
53		Ecuador	24.3	2017
119		Egypt	14.8	2017
109		El Salvador	16.9	2017
134		Equatorial Guinea	10.2	2017
141		Eritrea	6.4	2017
56		Estonia	24	2017
125		Eswatini	13.4	2017
4		Ethiopia	43.5	2017
89		European Union	19.8	2016
145		Falkland Islands (Islas Malvinas)	N/A	2023
99		Faroe Islands	18.4	2013
109		Fiji	16.9	2017
74		Finland	22.1	2017
70		France	22.5	2017
91		French Polynesia	19.4	2014
145		French Southern and Antarctic Lands	N/A	2023
29		Gabon	29	2017
93		Gambia The	19.2	2017
71		Gaza Strip	22.4	2017
28		Georgia	29.5	2017
85		Germany	20.4	2017
123		Ghana	13.7	2017
145		Gibraltar	N/A	2023
127		Greece	12.5	2017
121		Greenland	14.3	2015
87		Grenada	20	2017
83		Guam	20.6	2016
128		Guatemala	12.3	2017
145		Guernsey	N/A	2023
137		Guinea	9.1	2017
142		Guinea-Bissau	4.1	2017
44		Guyana	25.4	2017
19		Haiti	32.6	2016
145		Holy See (Vatican City)	N/A	2023
64		Honduras	23.1	2017
76		Hong Kong	21.8	2017
78		Hungary	21.6	2017
74		Iceland	22.1	2017
31		India	28.5	2017
21		Indonesia	32.1	2017
83		Iran	20.6	2017
83		Iraq	20.6	2016
61		Ireland	23.4	2017
145		Isle of Man	N/A	2023
86		Israel	20.1	2017
105		Italy	17.5	2017
80		Jamaica	21.3	2017
56		Japan	24	2017
145		Jersey	N/A	2023
67		Jordan	22.8	2017
70		Kazakhstan	22.5	2017
94		Kenya	18.9	2017
145		Kiribati	N/A	2023
145		Korea North	N/A	2014
23		Korea South	31.1	2017
29		Kosovo	29	2017
40		Kuwait	26.5	2017
18		Kyrgyzstan	33.2	2017
24		Laos	30.9	2017
88		Latvia	19.9	2017
76		Lebanon	21.8	2017
22		Lesotho	31.4	2017
90		Liberia	19.5	2016
143		Libya	2.7	2017
145		Liechtenstein	N/A	2023
95		Lithuania	18.8	2017
113		Luxembourg	16.2	2017
98		Macau	18.5	2017
118		Madagascar	15.1	2017
117		Malawi	15.3	2017
45		Malaysia	25.3	2017
145		Maldives	N/A	2016
92		Mali	19.3	2017
82		Malta	21.1	2017
102		Marshall Islands	17.8	2016
1		Mauritania	56.1	2017
106		Mauritius	17.3	2017
72		Mexico	22.3	2017
28		Micronesia Federated States of	29.5	2016
75		Moldova	21.9	2017
145		Monaco	N/A	2023
58		Mongolia	23.8	2017
63		Montenegro	23.2	2016
101		Montserrat	17.9	2017
32		Morocco	28.4	2017
77		Mozambique	21.7	2017
114		Namibia	16	2017
9		Nauru	42.2	2016
15		Nepal	33.8	2017
84		Netherlands	20.5	2017
12		New Caledonia	38.4	2017
61		New Zealand	23.4	2017
34		Nicaragua	28.1	2017
11		Niger	38.6	2017
119		Nigeria	14.8	2017
145		Niue	N/A	2023
145		Norfolk Island	N/A	2023
124		North Macedonia	13.6	2017
41		Northern Mariana Islands	26.3	2016
55		Norway	24.1	2017
35		Oman	27.8	2017
120		Pakistan	14.5	2017
68		Palau	22.7	2016
6		Panama	42.9	2017
135		Papua New Guinea	10	2017
106		Paraguay	17.3	2017
77		Peru	21.7	2017
47		Philippines	25.1	2017
145		Pitcairn Islands	N/A	2023
103		Poland	17.7	2017
113		Portugal	16.2	2017
129		Puerto Rico	11.7	2017
5		Qatar	43.1	2017
69		Romania	22.6	2017
78		Russia	21.6	2017
66		Rwanda	22.9	2017
145		Saint Barthelemy	N/A	2023
145		Saint Helena Ascension and Tristan da Cunha	N/A	2023
25		Saint Kitts and Nevis	30.8	2017
109		Saint Lucia	16.9	2017
145		Saint Martin	N/A	2023
145		Saint Pierre and Miquelon	N/A	2023
130		Saint Vincent and the Grenadines	10.8	2017
145		Samoa	N/A	0
145		San Marino	N/A	2011
17		Sao Tome and Principe	33.4	2017
63		Saudi Arabia	23.2	2017
47		Senegal	25.1	2017
98		Serbia	18.5	2017
39		Seychelles	26.7	2017
100		Sierra Leone	18.1	2017
49		Singapore	24.8	2017
145		Sint Maarten	N/A	2023
81		Slovakia	21.2	2017
99		Slovenia	18.4	2017
145		Solomon Islands	N/A	0
87		Somalia	20	2015
96		South Africa	18.7	2017
132		South Sudan	10.4	2011
83		Spain	20.6	2017
41		Sri Lanka	26.3	2017
99		Sudan	18.4	2017
2		Suriname	52.5	2017
145		Svalbard	N/A	2023
48		Sweden	24.9	2017
52		Switzerland	24.5	2017
97		Syria	18.6	2017
84		Taiwan	20.5	2017
129		Tajikistan	11.7	2017
14		Tanzania	36.1	2017
63		Thailand	23.2	2017
131		Timor-Leste	10.6	2017
61		Togo	23.4	2017
145		Tokelau	N/A	2023
55		Tonga	24.1	2017
138		Trinidad and Tobago	8.2	2017
91		Tunisia	19.4	2017
27		Turkey (Turkiye)	29.8	2017
33		Turkmenistan	28.2	2017
112		Turks and Caicos Islands	16.5	2017
53		Tuvalu	24.3	2016
57		Uganda	23.9	2017
114		Ukraine	16	2017
65		United Arab Emirates	23	2017
107		United Kingdom	17.2	2017
107		United States	17.2	2017
110		Uruguay	16.7	2017
45		Uzbekistan	25.3	2017
30		Vanuatu	28.7	2017
122		Venezuela	13.9	2017
54		Vietnam	24.2	2017
139		Virgin Islands	7.5	2016
145		Wallis and Futuna	N/A	2023
65		West Bank	23	2017
43		World	25.7	2017
144		Yemen	2.2	2017
37		Zambia	27.1	2017
126		Zimbabwe	12.6	2017