social2005

Prevalence of night blindness (WHO (2017))

Latest available country observation from Our World in Data, based on the chart's cited sources. The series currently runs through 2005; countries can have different observation years.

Source: Our World in Data156 countries

Loading visualization...

Key Insights

Global Average
1.0%
Median: 0.6%
Countries Covered
156
with available data
Highest
Marshall Islands
8.5%
Lowest
Bangladesh
0.0%
Top 5 Countries
1Marshall Islands8.5%
2Sudan8.5%
3Zambia6.2%
4Ethiopia4.9%
5Sierra Leone3.4%
By Region
Africa1.3%(9 countries)
Other1.1%(108 countries)
South America0.7%(7 countries)
Europe0.6%(12 countries)
North America0.6%(2 countries)

Country Rankings

Top 10 Countries

Bottom 10 Countries

Data Analysis

Value Distribution

How countries are distributed across the value range

Low (0.0%)High (8.5%)

Regional Comparison

Average values by world region (Global avg: 1.0%)

Africa (9)
Other (108)
South America (7)
Europe (12)
North America (2)
Asia (18)

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 2005; 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
1Marshall Islands8.5%
2Sudan8.5%
3Zambia6.2%
4Ethiopia4.9%
5Sierra Leone3.4%
6Lao People's Democratic Republic3.1%
7Armenia2.9%
8Liberia2.6%
9Rwanda2.6%
10Somalia2.3%
11Nigeria2.2%
12Malawi2.1%
13Niger2.1%
14Democratic Republic of the Congo1.9%
15Equatorial Guinea1.9%
16Eswatini1.9%
17Tajikistan1.9%
18Cameroon1.7%
19Madagascar1.7%
20Mali1.7%
21Turkmenistan1.7%
22United Republic of Tanzania1.6%
23Cote d'Ivoire1.5%
24Uganda1.5%
25Burkina Faso1.5%
26Kenya1.4%
27Guinea-Bissau1.4%
28Sao Tome and Principe1.4%
29Angola1.4%
30Burundi1.3%
31Azerbaijan1.3%
32Botswana1.3%
33Central African Republic1.2%
34Chad1.2%
35Kazakhstan1.2%
36Maldives1.2%
37Mauritania1.2%
38Togo1.2%
39Myanmar1.1%
40Guyana1.1%
41Kyrgyzstan1.1%
42Timor-Leste1.1%
43Uzbekistan1.1%
44Mozambique1.0%
45Bolivia1.0%
46Benin0.9%
47Djibouti0.9%
48Gabon0.9%
49Kiribati0.9%
50Lesotho0.9%
51South Africa0.9%
52The Republic of North Macedonia0.9%
53Sri Lanka0.8%
54Georgia0.8%
55Guinea0.8%
56Namibia0.8%
57Saint Kitts and Nevis0.8%
58Tuvalu0.8%
59Afghanistan0.8%
60Cambodia0.7%
61Estonia0.7%
62Haiti0.7%
63Iraq0.7%
64Latvia0.7%
65Moldova, Republic of0.7%
66Peru0.7%
67Philippines0.7%
68Russian Federation0.7%
69Senegal0.7%
70Suriname0.7%
71Tonga0.7%
72Ukraine0.7%
73Uruguay0.7%
74Yemen0.7%
75Argentina0.7%
76Barbados0.7%
77Brazil0.7%
78Bulgaria0.6%
79Belarus0.6%
80Chile0.6%
81Colombia0.6%
82Republic of the Congo0.6%
83Cuba0.6%
84Czech Republic0.6%
85Dominican Republic0.6%
86Ecuador0.6%
87Fiji0.6%
88Grenada0.6%
89Hungary0.6%
90India0.6%
91Indonesia0.6%
92Jordan0.6%
93Lebanon0.6%
94Libya0.6%
95Lithuania0.6%
96Mexico0.6%
97Montenegro0.6%
98Nauru0.6%
99Niue0.6%
100Palau0.6%
101Panama0.6%
102Paraguay0.6%
103Poland0.6%
104Romania0.6%
105Saint Lucia0.6%
106Serbia0.6%
107Seychelles0.6%
108Slovakia0.6%
109Thailand0.6%
110Trinidad and Tobago0.6%
111Türkiye0.6%
112Venezuela0.6%
113Samoa0.6%
114Albania0.6%
115Comoros0.5%
116Cook Islands0.5%
117Costa Rica0.5%
118Croatia0.5%
119El Salvador0.5%
120Eritrea0.5%
121Guatemala0.5%
122Honduras0.5%
123Islamic Republic of Iran0.5%
124Jamaica0.5%
125Malaysia0.5%
126Malta0.5%
127Mauritius0.5%
128Mongolia0.5%
129Nicaragua0.5%
130Micronesia, Federated States of0.5%
131Pakistan0.5%
132Papua New Guinea0.5%
133Saint Vincent and the Grenadines0.5%
134Algeria0.5%
135Bhutan0.5%
136Bosnia and Herzegovina0.5%
137Belize0.5%
138Dominica0.4%
139Ghana0.4%
140Oman0.4%
141Saudi Arabia0.4%
142Syrian Arab Republic0.4%
143Tunisia0.4%
144Antigua and Barbuda0.4%
145Solomon Islands0.4%
146North Korea0.3%
147Nepal0.3%
148Zimbabwe0.3%
149Vanuatu0.2%
150People's Republic of China0.1%
151Morocco0.1%
152Egypt0.1%
153Cape Verde0.0%
154Republic of The Gambia0.0%
155Vietnam0.0%
156Bangladesh0.0%
Showing 156 of 156 countries

Topics

Data Source

This data comes from Our World in Data (2005).

View Original Source