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Methodology
The following table describes the methodologies used in each of the 35 countries:
| Country |
Sample Size (unweighted) |
Field dates |
Sample |
Survey methodology |
Type of sample |
| Brazil |
835 |
July 2–14, 2009 |
18–69 |
Telephone |
Urban1 |
| Canada |
1,006 |
June 24 – July 24, 2009 |
18+ |
Telephone |
National |
| Chile |
1,000 |
June 25 – July 9, 2009 |
18+ |
Face-to-face |
Urban2 |
| China |
1,000 |
July 2–16, 2009 |
18+ |
Telephone |
Urban3 |
| France |
1,002 |
June 19–25, 2009 |
15+ |
Telephone |
National |
| Germany |
1,004 |
July 1–22, 2009 |
16–70 |
Telephone |
National |
| India |
1,346 |
July 20–25, 2009 |
18+ |
Face-to-face |
National |
| Kenya |
1,008 |
July 1–8, 2009 |
18+ |
Face-to-face |
National |
| Mexico |
1,000 |
July 1–16, 2009 |
18+ |
Telephone |
Urban4 |
| Nigeria |
1,000 |
July 15–22, 2009 |
18+ |
Face-to-face |
National |
| Philippines |
1,000 |
June 26 – July 15, 2009 |
18+ |
Face-to-face |
Urban5 |
| Russia |
1,008 |
July 24 – Aug. 3, 2009 |
18+ |
Face-to-face |
National |
| Turkey |
1,000 |
July 6–27, 2009 |
15+ |
Face-to-face |
Urban6 |
| United Kingdom |
1,003 |
July 14 – Aug. 1, 2009 |
18+ |
Telephone |
National |
| USA |
1,009 |
July 1–29, 2009 |
18+ |
Telephone |
National |
1In Brazil the survey was conducted in Belo Horizonte, Brasília, Curitiba, Goiânia, Porto Alegre, Recife, Rio de Janeiro, Salvador, and São Paulo, representing 16% of the total national adult population.
2In Chile the survey was conducted in 78 cities, representing 85% of the national adult population. The cities were located in the Antofagasta, Arica y Parinacota, Atacama, Coquimbo, Bio Bío, Maule, Araucania, Libertador Bernardo O’Higgins, Los Lagos, Los Rios, Santiago Metropolitan, Tarapacá, and Valparaiso regions.
3In China the survey was conducted in Beijing, Beiliu, Chengdu, Dujiangyan, Fenyang, Fuyang, Guangzhou, Hangzhou, Manzhouli, Quanzhou, Qujing, Shanghai, Shenyang, Shuangcheng, Wuhan, Xi’an, Xining, and Zhengzhou, representing 45% of the total national adult population.
4In Mexico the survey was conducted in Altamirano, Chilpancingo, Chihuahua, Cuernavaca, Guadalajara, Hermosillo, Léon, Mexico City, Monterrey, Morelia, Mérida, Pachuca, Poza Rica, Puebla, Tijuana, Villahermosa, representing 20% of the total national adult population, and 79% of the residential land lines.
5In the Philippines the survey was conducted in the National Capital Region, representing 12% of the total national adult population.
6In Turkey the survey was conducted in Adana, Ankara, Antalya, Bursa, Diyarbakir, Erzurum, Istanbul, Izmir, Konya, Samsun, and Zonguldak, representing 34% of the total national adult population.
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