View list in rank order
Rank		Country	Value	Date of Info
112		Afghanistan	21.1	2016
94		Albania	24.2	2017
29		Algeria	39.3	2017
151		American Samoa	12.4	2012
45		Andorra	33.6	2015
1		Angola	61.4	2011
153		Anguilla	10.5	2017
173		Antarctica	N/A	2021
113		Antigua and Barbuda	20.8	2017
77		Argentina	28.1	2017
76		Armenia	28.2	2017
46		Aruba	33.3	2002
89		Australia	25.3	2017
75		Austria	28.4	2017
7		Azerbaijan	53.5	2017
161		Bahamas The	7.7	2017
29		Bahrain	39.3	2017
70		Bangladesh	29.3	2017
158		Barbados	9.8	2017
25		Belarus	40.8	2017
108		Belgium	22.1	2017
110		Belize	21.6	2017
103		Benin	22.8	2017
169		Bermuda	5.3	2017
22		Bhutan	41.8	2017
34		Bolivia	37.8	2017
72		Bosnia and Herzegovina	28.9	2017
80		Botswana	27.5	2017
114		Brazil	20.7	2017
165		British Virgin Islands	6.8	2017
5		Brunei	56.6	2017
78		Bulgaria	28	2017
96		Burkina Faso	23.9	2017
39		Burma	35.6	2017
133		Burundi	16.4	2017
129		Cabo Verde	17.5	2017
50		Cambodia	32.8	2017
83		Cameroon	26.5	2017
76		Canada	28.2	2017
163		Cayman Islands	7.4	2017
134		Central African Republic	16	2017
140		Chad	14.7	2017
50		Chile	32.8	2017
26		China	40.5	2017
173		Christmas Island	N/A	2021
60		Colombia	30.8	2017
152		Comoros	11.8	2017
20		Congo Democratic Republic of the	43.6	2017
9		Congo Republic of the	51	2017
148		Cook Islands	12.7	2010
173		Coral Sea Islands	N/A	2021
115		Costa Rica	20.6	2017
82		Cote d’Ivoire	26.6	2017
86		Croatia	26.2	2017
104		Cuba	22.7	2017
150		Cyprus	12.5	2017
36		Czechia	36.9	2017
102		Denmark	22.9	2017
131		Djibouti	17.3	2017
149		Dominica	12.6	2017
48		Dominican Republic	33	2017
49		Ecuador	32.9	2017
42		Egypt	34.3	2017
79		El Salvador	27.7	2017
6		Equatorial Guinea	54.6	2017
67		Eritrea	29.6	2017
71		Estonia	29.2	2017
16		Eswatini	45	2017
110		Ethiopia	21.6	2017
115		Falkland Islands (Islas Malvinas)	20.6	2015
31		Faroe Islands	39	2013
130		Fiji	17.4	2017
76		Finland	28.2	2017
120		France	19.5	2017
146		French Polynesia	13	2009
173		French Southern and Antarctic Lands	N/A	2021
18		Gabon	44.7	2017
141		Gambia The	14.2	2017
112		Gaza Strip	21.1	2017
97		Georgia	23.7	2017
61		Germany	30.7	2017
91		Ghana	24.5	2017
172		Gibraltar	0	2008
132		Greece	16.9	2017
155		Greenland	10.1	2015
136		Grenada	15.5	2017
173		Guam	N/A	0
99		Guatemala	23.4	2017
156		Guernsey	10	2000
55		Guinea	32.1	2017
145		Guinea-Bissau	13.1	2017
116		Haiti	20.3	2017
173		Holy See (Vatican City)	N/A	2021
73		Honduras	28.8	2017
162		Hong Kong	7.6	2017
57		Hungary	31.3	2017
119		Iceland	19.7	2017
101		India	23	2016
24		Indonesia	41	2017
40		Iran	35.3	2016
9		Iraq	51	2017
32		Ireland	38.6	2017
146		Isle of Man	13	1213
83		Israel	26.5	2017
96		Italy	23.9	2017
112		Jamaica	21.1	2017
64		Japan	30.1	2017
171		Jersey	2	2010
173		United States Pacific Island Wildlife Refuges	N/A	2021
73		Jordan	28.8	2017
43		Kazakhstan	34.1	2017
127		Kenya	17.8	2017
164		Kiribati	7	2016
14		Korea North	47.6	2017
29		Korea South	39.3	2017
2		Kuwait	58.7	2017
58		Kyrgyzstan	31.2	2017
47		Laos	33.2	2017
106		Latvia	22.4	2017
145		Lebanon	13.1	2017
30		Lesotho	39.2	2016
143		Liberia	13.8	2017
8		Libya	52.3	2017
24		Liechtenstein	41	2014
69		Lithuania	29.4	2017
147		Luxembourg	12.8	2017
167		Macau	6.3	2017
120		Madagascar	19.5	2017
137		Malawi	15.4	2017
35		Malaysia	37.6	2017
134		Maldives	16	2015
125		Mali	18.1	2017
154		Malta	10.2	2017
157		Marshall Islands	9.9	2013
70		Mauritania	29.3	2017
109		Mauritius	21.8	2017
56		Mexico	31.9	2017
124		Micronesia Federated States of	18.9	2013
116		Moldova	20.3	2017
142		Monaco	14	2013
33		Mongolia	38.2	2017
160		Montserrat	7.8	2017
68		Morocco	29.5	2017
121		Mozambique	19.3	2017
85		Namibia	26.3	2016
48		Nauru	33	2009
144		Nepal	13.5	2017
126		Netherlands	17.9	2017
84		New Caledonia	26.4	2017
111		New Zealand	21.5	2017
92		Nicaragua	24.4	2017
120		Niger	19.5	2017
105		Nigeria	22.5	2016
81		Niue	26.9	2003
173		Norfolk Island	N/A	2021
82		North Macedonia	26.6	2017
3		Northern Mariana Islands	58.1	2016
44		Norway	33.7	2017
15		Oman	46.4	2017
122		Pakistan	19.1	2016
123		Palau	19	2016
135		Panama	15.7	2017
21		Papua New Guinea	42.9	2017
79		Paraguay	27.7	2017
51		Peru	32.7	2017
62		Philippines	30.6	2017
173		Pitcairn Islands	N/A	2021
28		Poland	40.2	2017
108		Portugal	22.1	2017
11		Puerto Rico	50.1	2017
10		Qatar	50.3	2017
47		Romania	33.2	2017
52		Russia	32.4	2017
128		Rwanda	17.6	2017
65		Saint Kitts and Nevis	30	2017
141		Saint Lucia	14.2	2017
138		Saint Pierre and Miquelon	15	2006
130		Saint Vincent and the Grenadines	17.4	2017
98		Samoa	23.6	2017
30		San Marino	39.2	2009
139		Sao Tome and Principe	14.8	2017
19		Saudi Arabia	44.2	2017
93		Senegal	24.3	2017
23		Serbia	41.1	2017
143		Seychelles	13.8	2017
166		Sierra Leone	6.5	2017
90		Singapore	24.8	2017
41		Slovakia	35	2017
54		Slovenia	32.2	2017
162		Solomon Islands	7.6	2017
163		Somalia	7.4	2013
66		South Africa	29.7	2017
173		South Georgia and South Sandwich Islands	N/A	2021
100		Spain	23.2	2017
63		Sri Lanka	30.5	2017
170		Sudan	2.6	2017
59		Suriname	31.1	2017
173		Svalbard	N/A	2021
48		Sweden	33	2017
87		Switzerland	25.6	2017
120		Syria	19.5	2017
38		Taiwan	36	2017
88		Tajikistan	25.5	2017
74		Tanzania	28.6	2017
37		Thailand	36.2	2017
4		Timor-Leste	56.7	2017
109		Togo	21.8	2017
173		Tokelau	N/A	0
116		Tonga	20.3	2017
13		Trinidad and Tobago	47.8	2017
86		Tunisia	26.2	2017
53		Turkey	32.3	2017
17		Turkmenistan	44.9	2017
159		Turks and Caicos Islands	8.9	2017
168		Tuvalu	5.6	2012
112		Uganda	21.1	2017
74		Ukraine	28.6	2017
12		United Arab Emirates	49.8	2017
117		United Kingdom	20.2	2017
122		United States	19.1	2017
95		Uruguay	24.1	2017
44		Uzbekistan	33.7	2017
152		Vanuatu	11.8	2017
27		Venezuela	40.4	2017
46		Vietnam	33.3	2017
118		Virgin Islands	20	2012
173		Wake Island	N/A	2021
173		Wallis and Futuna	N/A	0
120		West Bank	19.5	2017
65		World	30	2017
152		Yemen	11.8	2017
40		Zambia	35.3	2017
107		Zimbabwe	22.2	2017