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Methodology
The following table describes the methodologies used in each of the 18 countries:
|
Country
|
Sample size (unweighted)
|
Field dates
|
Sample frame
|
Survey methodology
|
Type of sample
|
|
Brazil
|
802
|
June 6–25, 2007
|
18–69
|
Face-to-face
|
Urban1
|
|
Canada
|
1000
|
May 29 – June 24, 2007
|
18+
|
Telephone
|
National
|
|
Chile
|
1000
|
July 5–16, 2007
|
18+
|
Face-to-face
|
Urban2
|
|
China
|
1800
|
June 24 – July 4, 2007
|
18–65
|
Telephone
|
Urban3
|
|
France
|
1002
|
June 18–21, 2007
|
15+
|
Telephone
|
National
|
|
Germany
|
1010
|
May 31 – June 21, 2007
|
16–70
|
Telephone
|
National
|
|
Great Britain
|
1010
|
June 6–29, 2007
|
18+
|
Telephone
|
National
|
|
India
|
1000
|
July 17 – Aug. 10, 2007
|
15+
|
Face-to-face
|
Urban4
|
|
Indonesia
|
1000
|
June 18–28, 2007
|
17+
|
Face-to-face
|
Urban5
|
|
Italy
|
1003
|
June 19–27, 2007
|
18+
|
Telephone
|
National
|
|
Kenya
|
1000
|
June 11–20, 2007
|
18–65
|
Face-to-face
|
National
|
|
Mexico
|
1000
|
June 25 – July 8, 2007
|
18+
|
Face-to-face
|
National
|
|
Nigeria
|
1000
|
July 10–22, 2007
|
18+
|
Face-to-face
|
National
|
|
Philippines
|
1000
|
June 21 – July 8, 2007
|
18+
|
Face-to-face
|
Urban6
|
|
Russia
|
1034
|
June 29 – July 12, 2007
|
18+
|
Face-to-face
|
National
|
|
South Korea
|
1000
|
June 7–27, 2007
|
20–59
|
Face-to-face
|
Urban7
|
|
Turkey
|
1000
|
June 9–25, 2007
|
15+
|
Face-to-face
|
Urban8
|
|
USA
|
1000
|
June 21 – July 18, 2007
|
18+
|
Telephone
|
National
|
1 In Brazil the survey was conducted in Belo Horizonte, Brasília, Curitiba, Porto Alegre, Recife, Rio de Janeiro, Salvador, and São Paulo, representing 15% of the total national adult population.
2In Chile the survey was conducted in Antofagasta, Arica, Calama, Chiguayante, Chillán, Concepción, Copiapó, Coquimbo, Coronel, Curicó, Gran Santiago (includes San Bernardo and Puente Alto), Iquique, La Serena, Linares, Los Angeles, Lota, Osorno, Ovalle, Puerto Montt, Quillota, Quilpué, Rancagua, San Antonio, Talca, Talcahuano, Temuco, Valdivia, Valparaíso, Villa Alemana, and Viña del Mar, representing 65% of the total national adult population.
3In China the survey was conducted in Beijing, Chengdu, Guangzhou, Hangzhou, Shanghai, Shenyang, Wuhan, Xi’an, and Zhengzhou, representing 4% of the total national adult population.
4In India, the survey was conducted in Chennai, Delhi, Kolkata, and Mumbai, representing 5% of the total national adult population.
5In Indonesia the survey was conducted in Bandung, Jakarta, Medan, Semarang, and Surabaya, representing 5% of the total national adult population.
6In the Philippines the survey was conducted in the National Capital Region representing 12% of the total national adult population.
7In South Korea the survey was conducted in Busan, Daegu, Daejeon, Gwangju, Incheon, Seoul, and Ulsan, representing 45% of the total national population.
8In Turkey the survey was conducted in Adana, Ankara, Antalya, Bursa, Diyarbakir, Erzurum, Istanbul, Izmir, Konya, Samsun, and Zonguldak, representing 30% of the total national adult population.
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