social2023

Brain and central nervous system

Latest available country observation from Our World in Data, based on the chart's cited sources. The series currently runs through 2023; countries can have different observation years.

Source: Our World in Data204 countries

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Key Insights

Global Average
2.5%
Median: 2.2%
Countries Covered
204
with available data
Highest
Syrian Arab Republic
9.5%
Lowest
Cook Islands
0.1%
Top 5 Countries
1Syrian Arab Republic9.5%
2Afghanistan8.9%
3Iraq8.4%
4Tajikistan8.2%
5Uzbekistan7.6%
By Region
Asia3.4%(26 countries)
South America3.0%(7 countries)
Europe2.9%(32 countries)
Oceania2.9%(2 countries)
North America2.8%(4 countries)

Country Rankings

Top 10 Countries

Bottom 10 Countries

Data Analysis

Value Distribution

How countries are distributed across the value range

Low (0.1%)High (9.5%)

Regional Comparison

Average values by world region (Global avg: 2.5%)

Asia (26)
South America (7)
Europe (32)
Oceania (2)
North America (4)
Africa (9)
Other (124)

Percentile Profile

The curve shows how values change from the lowest to the highest country. Steep sections reveal inequality or outliers.

0th percentile · lowest100th percentile · highest

About This Statistic

Latest available country observation from Our World in Data, based on the chart's cited sources. The series currently runs through 2023; countries can have different observation years. Source: Our World in Data.

Methodology

Country values are taken from the latest observation available in the linked source series.

Full Data

Rank Country Value
1Syrian Arab Republic9.5%
2Afghanistan8.9%
3Iraq8.4%
4Tajikistan8.2%
5Uzbekistan7.6%
6Saudi Arabia7.6%
7State of Palestine7.2%
8Islamic Republic of Iran6.9%
9Turkmenistan6.4%
10Yemen6.3%
11Sudan5.4%
12Türkiye5.0%
13Egypt4.9%
14Azerbaijan4.8%
15Oman4.7%
16Tunisia4.6%
17Albania4.6%
18Qatar4.6%
19Armenia4.4%
20The Republic of North Macedonia4.4%
21Montenegro4.3%
22Brazil4.2%
23Georgia4.0%
24Iceland4.0%
25Lebanon4.0%
26Peru4.0%
27Algeria4.0%
28Greece3.9%
29Bosnia and Herzegovina3.9%
30San Marino3.8%
31Bulgaria3.8%
32Ghana3.7%
33Suriname3.7%
34Libya3.6%
35Israel3.6%
36Kuwait3.6%
37Lithuania3.4%
38Jordan3.4%
39Colombia3.3%
40Kyrgyzstan3.3%
41Portugal3.3%
42Croatia3.2%
43Malta3.2%
44Latvia3.2%
45Romania3.2%
46Cuba3.1%
47Luxembourg3.1%
48Ireland3.1%
49Ecuador3.1%
50Moldova, Republic of3.1%
51Australia3.1%
52Serbia3.0%
53Nicaragua3.0%
54United States of America3.0%
55Norway3.0%
56United Arab Emirates3.0%
57Andorra3.0%
58Bahrain3.0%
59Kazakhstan3.0%
60Estonia3.0%
61Niger3.0%
62Cyprus3.0%
63Seychelles2.9%
64Switzerland2.9%
65Russian Federation2.9%
66Mexico2.9%
67Spain2.9%
68Canada2.9%
69Sri Lanka2.9%
70Belgium2.9%
71Germany2.8%
72Poland2.8%
73Cambodia2.8%
74Honduras2.8%
75El Salvador2.8%
76Sweden2.8%
77Slovakia2.8%
78Timor-Leste2.7%
79Austria2.7%
80Ukraine2.7%
81Czech Republic2.7%
82New Zealand2.7%
83Bolivia2.5%
84Finland2.5%
85Belize2.5%
86Italy2.5%
87Indonesia2.5%
88Haiti2.5%
89France2.5%
90Belarus2.5%
91Brunei Darussalam2.4%
92Slovenia2.4%
93People's Republic of China2.4%
94Philippines2.4%
95United Kingdom2.4%
96Guatemala2.4%
97Panama2.4%
98Dominican Republic2.4%
99Paraguay2.3%
100Maldives2.3%
101Costa Rica2.3%
102Denmark2.2%
103Argentina2.2%
104Namibia2.2%
105North Korea2.2%
106Netherlands2.2%
107Uruguay2.2%
108Thailand2.1%
109Nepal2.1%
110Zimbabwe2.1%
111Hungary2.1%
112Somalia2.1%
113Puerto Rico2.1%
114Chile2.0%
115Benin2.0%
116Mauritius2.0%
117India2.0%
118Lao People's Democratic Republic2.0%
119Myanmar1.9%
120Singapore1.9%
121Bhutan1.9%
122Comoros1.9%
123Kenya1.9%
124Ethiopia1.8%
125Bermuda1.8%
126Pakistan1.8%
127Bahamas1.8%
128Uganda1.7%
129Mongolia1.7%
130Burundi1.7%
131Samoa1.7%
132Eritrea1.6%
133Bangladesh1.6%
134Barbados1.6%
135Virgin Islands, U.S.1.6%
136Antigua and Barbuda1.6%
137South Korea1.5%
138Cape Verde1.5%
139Vietnam1.5%
140Zambia1.5%
141Saint Kitts and Nevis1.4%
142Morocco1.4%
143Mozambique1.4%
144Grenada1.4%
145Monaco1.4%
146Saint Lucia1.4%
147Djibouti1.4%
148Taiwan, Province of China1.4%
149Venezuela1.4%
150Saint Vincent and the Grenadines1.3%
151Angola1.3%
152Mali1.3%
153Trinidad and Tobago1.3%
154Jamaica1.3%
155Senegal1.3%
156Eswatini1.3%
157Guinea-Bissau1.3%
158Chad1.2%
159Cameroon1.2%
160Lesotho1.2%
161Madagascar1.2%
162South Africa1.2%
163Malaysia1.2%
164Central African Republic1.2%
165Rwanda1.2%
166South Sudan1.1%
167Burkina Faso1.1%
168Republic of the Congo1.1%
169Greenland1.1%
170Sierra Leone1.1%
171Nigeria1.1%
172Botswana1.0%
173Cote d'Ivoire1.0%
174Dominica1.0%
175Guyana1.0%
176Togo1.0%
177Micronesia, Federated States of1.0%
178Gabon1.0%
179Vanuatu0.9%
180Equatorial Guinea0.9%
181Democratic Republic of the Congo0.9%
182Liberia0.9%
183Papua New Guinea0.9%
184Mauritania0.8%
185Fiji0.8%
186American Samoa0.8%
187Japan0.8%
188Kiribati0.7%
189Nauru0.7%
190Tonga0.7%
191Tuvalu0.6%
192Marshall Islands0.6%
193Niue0.5%
194Tokelau0.5%
195United Republic of Tanzania0.5%
196Solomon Islands0.5%
197Sao Tome and Principe0.5%
198Northern Mariana Islands0.4%
199Malawi0.4%
200Guinea0.4%
201Republic of The Gambia0.3%
202Guam0.3%
203Palau0.2%
204Cook Islands0.1%
Showing 204 of 204 countries

Topics

Data Source

This data comes from Our World in Data (2023).

View Original Source