World 100 Omnibus
Nira Data’s 100-country World Omnibus delivers timely, comparable public opinion data across the continent—ideal for NGOs, advocacy groups, and political researchers seeking to understand attitudes, test messages, and track policy impact at a global scale.
International Omnibus details
Full-service support, including survey design and advice, plus multi-market project co-ordination.
Registration fee
To reserve slot in Omnibus
Due at registration
Cost per question
Per question for 100 countries, includes scripting, adaption per language, translations, tests and quality assurance, data processing and delivery
Due at question submission
Deliverables
Spreadsheets (csv, excel) and presentation (PowerPoint) summary charts
Free
EUR 1,900.00
Next date
July 18, 2025
Countries covered and sample size*
Country
Population
Sample size
China
1,408,280,000
2,000
India
1,404,910,000
2,000
United States
340,110,988
2,000
Indonesia
282,477,584
2,000
Pakistan
241,499,431
2,000
Nigeria
223,800,000
2,000
Brazil
212,583,750
2,000
Bangladesh
169,828,911
2,000
Russia
146,028,325
2,000
Mexico
130,154,247
2,000
Japan
123,540,000
2,000
Philippines
114,123,600
2,000
Ethiopia
109,499,000
2,000
Egypt
105,914,499
2,000
Vietnam
100,309,209
2,000
Iran
85,961,000
2,000
Turkey
85,664,944
2,000
Germany
83,465,411
2,000
France
68,615,000
2,000
United Kingdom
68,265,209
2,000
Thailand
65,932,105
2,000
South Africa
63,015,904
2,000
Tanzania
61,741,120
2,000
Italy
58,966,101
2,000
Colombia
52,695,952
2,000
Costa Rica
5,309,625
2,000
Cuba
11,089,511
2,000
Dominican Republic
10,771,504
2,000
Ecuador
16,938,986
2,000
El Salvador
6,351,000
2,000
Kenya
52,428,290
2,000
South Korea
51,207,874
2,000
Spain
49,077,984
1,000
Algeria
47,400,000
1,000
Argentina
47,067,641
1,000
Uganda
45,905,417
1,000
Iraq
44,414,800
1,000
Canada
41,465,298
1,000
Uzbekistan
37,543,167
1,000
Poland
37,507,000
1,000
Morocco
36,828,330
1,000
Angola
35,121,734
1,000
Malaysia
34,112,400
1,000
Peru
34,038,457
1,000
Mozambique
33,244,414
1,000
Ghana
33,007,618
1,000
Ukraine
32,962,000
1,000
Saudi Arabia
32,175,224
1,000
Ivory Coast
29,389,150
1,000
Cameroon
28,758,503
1,000
Venezuela
28,405,543
1,000
Australia
27,204,800
1,000
Syria
24,672,760
1,000
Taiwan
23,396,049
1,000
Sri Lanka
21,916,000
1,000
Kazakhstan
20,286,084
1,000
Chile
20,086,377
1,000
Zambia
19,610,769
1,000
Romania
19,064,409
1,000
Senegal
18,126,390
1,000
Netherlands
18,045,532
1,000
Guatemala
17,843,132
1,000
Zimbabwe
16,751,469
1,000
Tunisia
11,887,412
1,000
Belgium
11,812,354
1,000
Jordan
11,734,000
1,000
Bolivia
11,312,620
1,000
United Arab Emirates
10,678,556
1,000
Portugal
10,639,726
1,000
Sweden
10,587,710
1,000
Greece
10,400,720
1,000
Tajikistan
10,277,100
1,000
Israel
10,026,900
1,000
Honduras
9,892,632
500
Hungary
9,540,000
500
Austria
9,198,214
500
Belarus
9,155,978
500
Switzerland
9,027,859
500
Libya
7,381,023
500
Kyrgyzstan
7,161,900
500
Nicaragua
6,803,886
500
Serbia
6,605,168
500
Paraguay
6,109,644
500
Singapore
6,036,900
500
Denmark
5,992,734
500
Finland
5,637,214
500
Norway
5,594,340
500
Lebanon
5,490,000
500
Palestine
5,483,450
500
Ireland
5,380,300
500
New Zealand
5,348,600
500
Oman
5,268,072
500
Kuwait
4,913,271
500
Panama
4,064,780
500
Georgia
3,694,600
500
Uruguay
3,499,451
500
Namibia
3,022,401
500
Lithuania
2,897,430
500
Qatar
2,857,822
500
Moldova
2,423,300
500
Total
118,500
Country
Population
Sample size
China
1,411,750,000
2,000
India
1,408,500,000
2,000
Indonesia
277,329,163
2,000
Pakistan
240,485,658
2,000
Bangladesh
172,954,319
2,000
Japan
123,294,513
2,000
Philippines
117,337,368
2,000
Vietnam
98,858,980
2,000
Thailand
66,044,172
2,000
Myanmar
55,177,306
2,000
South Korea
51,709,098
2,000
Malaysia
33,938,219
1,000
Nepal
30,896,539
1,000
Australia
26,940,000
1,000
North Korea
25,549,661
1,000
Sri Lanka
21,919,000
1,000
Cambodia
17,274,016
500
Papua New Guinea
11,060,000
500
Laos
7,588,490
500
Singapore
5,900,000
500
New Zealand
5,288,000
500
Total
29,500
Country
Population
Sample size
United States
339,000,000
2,000
Brazil
216,000,000
2,000
Mexico
129,000,000
2,000
Colombia
52,000,000
2,000
Argentina
46,000,000
1,000
Canada
39,000,000
1,000
Peru
35,000,000
1,000
Venezuela
29,000,000
1,000
Chile
20,000,000
1,000
Guatemala
19,000,000
1,000
Ecuador
18,000,000
1,000
Bolivia
12,000,000
1,000
Haiti
11,500,000
1,000
Dominican Republic
11,300,000
1,000
Honduras
11,000,000
1,000
Cuba
11,000,000
1,000
Paraguay
7,600,000
1,000
Nicaragua
7,100,000
1,000
El Salvador
6,500,000
1,000
Costa Rica
5,300,000
1,000
Panama
4,500,000
500
Uruguay
3,600,000
500
Puerto Rico
3,200,000
500
Jamaica
2,800,000
500
Trinidad and Tobago
1,500,000
500
Total
26,500
Country
Population
Sample size
Nigeria
223,000,000
2,000
Ethiopia
126,000,000
2,000
Congo (Kinshasa)
102,000,000
2,000
Tanzania
67,000,000
2,000
South Africa
60,000,000
2,000
Kenya
56,000,000
2,000
Sudan
48,000,000
1,000
Uganda
48,000,000
1,000
Angola
36,000,000
1,000
Ghana
34,000,000
1,000
Mozambique
34,000,000
1,000
Madagascar
31,000,000
1,000
Cameroon
29,000,000
1,000
Côte d'Ivoire
29,000,000
1,000
Niger
28,000,000
1,000
Burkina Faso
24,000,000
1,000
Mali
23,000,000
1,000
Malawi
22,000,000
1,000
Zambia
21,000,000
1,000
Chad
18,000,000
500
Senegal
18,000,000
500
Somalia
18,000,000
500
Zimbabwe
16,000,000
500
Guinea
14,000,000
500
Rwanda
14,000,000
500
Benin
13,000,000
500
Burundi
13,000,000
500
South Sudan
11,000,000
500
Togo
9,300,000
500
Sierra Leone
8,400,000
500
Central African Republic
6,300,000
500
Congo (Brazzaville)
6,000,000
500
Liberia
5,500,000
500
Mauritania
5,100,000
500
Eritrea
3,700,000
500
Gambia
2,800,000
500
Botswana
2,700,000
500
Namibia
2,700,000
500
Gabon
2,400,000
500
Lesotho
2,300,000
500
Guinea-Bissau
2,000,000
500
Equatorial Guinea
1,600,000
500
Mauritius
1,300,000
500
Eswatini
1,200,000
500
Djibouti
1,100,000
500
Total
101,400,000
38,000
Country
Population
Sample size
Pakistan
248,000,000
2,000
Egypt
111,000,000
2,000
Iran
89,000,000
2,000
Turkey
85,000,000
2,000
Algeria
45,000,000
1,000
Iraq
45,000,000
1,000
Afghanistan
41,000,000
1,000
Morocco
38,000,000
1,000
Saudi Arabia
36,000,000
1,000
Yemen
34,000,000
1,000
Syria
23,000,000
1,000
Tunisia
12,000,000
1,000
Jordan
11,000,000
1,000
United Arab Emirates
10,000,000
1,000
Israel
9,800,000
1,000
Libya
7,000,000
1,000
Lebanon
5,500,000
1,000
Palestine
5,400,000
1,000
Oman
4,600,000
500
Kuwait
4,400,000
500
Qatar
2,700,000
500
Bahrain
1,800,000
500
Total
22,000
Country
Population
Sample size
Russia
143,997,393
1,000
Germany
84,075,075
1,000
United Kingdom
69,551,332
1,000
France
66,650,804
1,000
Italy
59,146,260
1,000
Spain
47,889,958
1,000
Ukraine
38,980,376
1,000
Poland
38,140,910
1,000
Romania
18,908,650
1,000
Netherlands
18,346,819
1,000
Belgium
11,758,603
1,000
Sweden
10,656,633
1,000
Czech Republic
10,609,239
1,000
Portugal
10,411,834
1,000
Greece
9,938,844
1,000
Hungary
9,632,287
1,000
Austria
9,113,574
1,000
Belarus
8,997,603
1,000
Switzerland
8,967,407
1,000
Bulgaria
6,714,560
1,000
Serbia
6,689,039
1,000
Denmark
6,002,507
1,000
Finland
5,623,329
1,000
Norway
5,623,071
1,000
Slovakia
5,474,881
1,000
Ireland
5,308,039
1,000
Croatia*
3,848,160
500
Bosnia and Herzegovina*
3,140,095
500
Moldova*
2,996,106
500
Lithuania*
2,830,144
500
Albania*
2,771,508
500
Slovenia*
2,117,072
500
Latvia*
1,853,559
500
North Macedonia*
1,813,791
500
Estonia
1,344,232
500
Luxembourg*
680,453
500
Montenegro*
632,729
500
Malta*
545,405
500
Iceland*
398,266
500
Total
32,500
*Countries marked with less than 20m inhabitants are on a “best effort” basis, meaning that they could reach less than the stated number of completed interviews or, in a worst case, none at all.