View list in rank order
Rank		Country	Value	Date of Info
139		Afghanistan	19.5 years	2023
159		Akrotiri	0	2023
66		Albania	34.3 years	2023
97		Algeria	28.9 years	2023
105		American Samoa	27.2 years	2023
6		Andorra	46.2 years	2023
156		Angola	15.9 years	2023
59		Anguilla	35.7 years	2023
159		Antarctica	0	2023
74		Antigua and Barbuda	32.7 years	2023
76		Argentina	32.4 years	2023
56		Armenia	36.6 years	2023
39		Aruba	39.9 years	2023
159		Ashmore and Cartier Islands	0	2023
50		Australia	37.5 years	2023
12		Austria	44.5 years	2023
75		Azerbaijan	32.6 years	2023
73		Bahamas The	32.8 years	2023
72		Bahrain	32.9 years	2023
101		Bangladesh	27.9 years	2023
41		Barbados	39.5 years	2023
34		Belarus	40.9 years	2023
31		Belgium	41.6 years	2023
121		Belize	23.9 years	2023
150		Benin	17 years	2023
18		Bermuda	43.6 years	2023
96		Bhutan	29.1 years	2023
115		Bolivia	25.3 years	2023
20		Bosnia and Herzegovina	43.3 years	2023
113		Botswana	25.7 years	2023
159		Bouvet Island	0	2023
71		Brazil	33.2 years	2023
159		British Indian Ocean Territory	0	2023
51		British Virgin Islands	37.2 years	2023
82		Brunei	31.1 years	2023
17		Bulgaria	43.7 years	2023
148		Burkina Faso	17.9 years	2023
95		Burma	29.2 years	2023
149		Burundi	17.7 years	2023
107		Cabo Verde	26.8 years	2023
109		Cambodia	26.4 years	2023
144		Cameroon	18.5 years	2023
29		Canada	41.8 years	2023
37		Cayman Islands	40.5 years	2023
135		Central African Republic	20 years	2023
154		Chad	16.1 years	2023
61		Chile	35.5 years	2023
45		China	38.4 years	2023
159		Christmas Island	0	2023
159		Clipperton Island	0	2023
159		Cocos (Keeling) Islands	0	2023
81		Colombia	31.2 years	2023
133		Comoros	20.9 years	2023
153		Congo Democratic Republic of the	16.7 years	2023
139		Congo Republic of the	19.5 years	2023
46		Cook Islands	38.3 years	2023
159		Coral Sea Islands	0	2023
75		Costa Rica	32.6 years	2023
134		Cote d'Ivoire	20.3 years	2023
16		Croatia	43.9 years	2023
26		Cuba	42.1 years	2023
55		Curacao	36.7 years	2023
47		Cyprus	37.9 years	2023
20		Czechia	43.3 years	2023
27		Denmark	42 years	2023
159		Dhekelia	0	2023
116		Djibouti	24.9 years	2023
63		Dominica	34.9 years	2023
101		Dominican Republic	27.9 years	2023
98		Ecuador	28.8 years	2023
119		Egypt	24.1 years	2023
102		El Salvador	27.7 years	2023
134		Equatorial Guinea	20.3 years	2023
134		Eritrea	20.3 years	2023
17		Estonia	43.7 years	2023
123		Eswatini	23.7 years	2023
136		Ethiopia	19.8 years	2023
15		European Union	44 years	2023
159		Falkland Islands (Islas Malvinas)	0	2023
51		Faroe Islands	37.2 years	2023
89		Fiji	29.9 years	2023
22		Finland	42.8 years	2023
30		France	41.7 years	2023
70		French Polynesia	33.3 years	2023
159		French Southern and Antarctic Lands	0	2023
132		Gabon	21 years	2023
129		Gambia The	21.8 years	2023
147		Gaza Strip	18 years	2023
43		Georgia	38.6 years	2023
4		Germany	47.8 years	2023
130		Ghana	21.4 years	2023
61		Gibraltar	35.5 years	2023
8		Greece	45.3 years	2023
66		Greenland	34.3 years	2023
70		Grenada	33.3 years	2023
93		Guam	29.4 years	2023
125		Guatemala	23.2 years	2023
14		Guernsey	44.3 years	2023
142		Guinea	19.1 years	2023
147		Guinea-Bissau	18 years	2023
103		Guyana	27.5 years	2023
119		Haiti	24.1 years	2023
159		Heard Island and McDonald Islands	0	2023
159		Holy See (Vatican City)	0	2023
118		Honduras	24.4 years	2023
7		Hong Kong	45.6 years	2023
18		Hungary	43.6 years	2023
52		Iceland	37.1 years	2023
99		India	28.7 years	2023
82		Indonesia	31.1 years	2023
79		Iran	31.7 years	2023
131		Iraq	21.2 years	2023
48		Ireland	37.8 years	2023
11		Isle of Man	44.6 years	2023
86		Israel	30.4 years	2023
5		Italy	46.5 years	2023
93		Jamaica	29.4 years	2023
159		Jan Mayen	0	2023
2		Japan	48.6 years	2023
50		Jersey	37.5 years	2023
124		Jordan	23.5 years	2023
80		Kazakhstan	31.6 years	2023
135		Kenya	20 years	2023
113		Kiribati	25.7 years	2023
65		Korea North	34.6 years	2023
21		Korea South	43.2 years	2023
85		Kosovo	30.5 years	2023
91		Kuwait	29.7 years	2023
104		Kyrgyzstan	27.3 years	2023
120		Laos	24 years	2023
13		Latvia	44.4 years	2023
69		Lebanon	33.7 years	2023
117		Lesotho	24.7 years	2023
147		Liberia	18 years	2023
112		Libya	25.8 years	2023
17		Liechtenstein	43.7 years	2023
12		Lithuania	44.5 years	2023
41		Luxembourg	39.5 years	2023
35		Macau	40.8 years	2023
134		Madagascar	20.3 years	2023
152		Malawi	16.8 years	2023
95		Malaysia	29.2 years	2023
92		Maldives	29.5 years	2023
155		Mali	16 years	2023
25		Malta	42.3 years	2023
122		Marshall Islands	23.8 years	2023
132		Mauritania	21 years	2023
58		Mauritius	36.3 years	2023
94		Mexico	29.3 years	2023
110		Micronesia Federated States of	26.3 years	2023
49		Moldova	37.7 years	2023
1		Monaco	55.4 years	2023
90		Mongolia	29.8 years	2023
40		Montenegro	39.6 years	2023
64		Montserrat	34.8 years	2023
96		Morocco	29.1 years	2023
150		Mozambique	17 years	2023
129		Namibia	21.8 years	2023
106		Nauru	27 years	2023
159		Navassa Island	0	2023
115		Nepal	25.3 years	2023
22		Netherlands	42.8 years	2023
72		New Caledonia	32.9 years	2023
51		New Zealand	37.2 years	2023
104		Nicaragua	27.3 years	2023
158		Niger	14.8 years	2023
143		Nigeria	18.6 years	2023
159		Niue	0	2023
159		Norfolk Island	0	2023
42		North Macedonia	39 years	2023
73		Northern Mariana Islands	32.8 years	2023
41		Norway	39.5 years	2023
111		Oman	26.2 years	2023
127		Pakistan	22 years	2023
68		Palau	33.9 years	2023
87		Panama	30.1 years	2023
120		Papua New Guinea	24 years	2023
159		Paracel Islands	0	2023
91		Paraguay	29.7 years	2023
96		Peru	29.1 years	2023
119		Philippines	24.1 years	2023
159		Pitcairn Islands	0	2023
28		Poland	41.9 years	2023
11		Portugal	44.6 years	2023
18		Puerto Rico	43.6 years	2023
69		Qatar	33.7 years	2023
24		Romania	42.5 years	2023
38		Russia	40.3 years	2023
137		Rwanda	19.7 years	2023
7		Saint Barthelemy	45.6 years	2023
21		Saint Helena Ascension and Tristan da Cunha	43.2 years	2023
57		Saint Kitts and Nevis	36.5 years	2023
53		Saint Lucia	36.9 years	2023
70		Saint Martin	33.3 years	2023
3		Saint Pierre and Miquelon	48.5 years	2023
62		Saint Vincent and the Grenadines	35.3 years	2023
114		Samoa	25.6 years	2023
9		San Marino	45.2 years	2023
141		Sao Tome and Principe	19.3 years	2023
84		Saudi Arabia	30.8 years	2023
140		Senegal	19.4 years	2023
19		Serbia	43.4 years	2023
54		Seychelles	36.8 years	2023
142		Sierra Leone	19.1 years	2023
60		Singapore	35.6 years	2023
33		Sint Maarten	41.1 years	2023
29		Slovakia	41.8 years	2023
10		Slovenia	44.9 years	2023
124		Solomon Islands	23.5 years	2023
144		Somalia	18.5 years	2023
100		South Africa	28 years	2023
159		South Georgia and South Sandwich Islands	0	2023
143		South Sudan	18.6 years	2023
16		Spain	43.9 years	2023
159		Spratly Islands	0	2023
69		Sri Lanka	33.7 years	2023
145		Sudan	18.3 years	2023
83		Suriname	31 years	2023
159		Svalbard	0	2023
33		Sweden	41.1 years	2023
23		Switzerland	42.7 years	2023
124		Syria	23.5 years	2023
25		Taiwan	42.3 years	2023
115		Tajikistan	25.3 years	2023
146		Tanzania	18.2 years	2023
42		Thailand	39 years	2023
138		Timor-Leste	19.6 years	2023
135		Togo	20 years	2023
159		Tokelau	0	2023
119		Tonga	24.1 years	2023
48		Trinidad and Tobago	37.8 years	2023
74		Tunisia	32.7 years	2023
77		Turkey (Turkiye)	32.2 years	2023
95		Turkmenistan	29.2 years	2023
65		Turks and Caicos Islands	34.6 years	2023
108		Tuvalu	26.6 years	2023
157		Uganda	15.7 years	2023
32		Ukraine	41.2 years	2023
45		United Arab Emirates	38.4 years	2023
36		United Kingdom	40.6 years	2023
44		United States	38.5 years	2023
159		United States Pacific Island Wildlife Refuges	0	2023
61		Uruguay	35.5 years	2023
87		Uzbekistan	30.1 years	2023
126		Vanuatu	23 years	2023
88		Venezuela	30 years	2023
78		Vietnam	31.9 years	2023
29		Virgin Islands	41.8 years	2023
159		Wake Island	0	2023
67		Wallis and Futuna	34 years	2023
128		West Bank	21.9 years	2023
83		World	31 years	2023
136		Yemen	19.8 years	2018
151		Zambia	16.9 years	2023