Page 2 - Tunisia 2011

• The International Republican Institute (IRI) conducted a national survey of adult Tunisians (18+ years) from

May 14-27, 2011.

• Data was collected in the field by a Tunisian-owned and operated marketing research firm, ELKA Consulting,

• Interviewing was collected using the in-person, face-to-face methodology by trained professional interviewers

using a multistage stratification proportionate to population sample distribution, with random selection of households and respondents using the Kish method.

• Stratification was based on three stages: a proportional division among Tunisia’s 24 governorates, proportional

division of urban and rural categories, and proportional division by gender and age group according to the most up-to-date data from Tunisia’s National Statistics Institute collected in July 2009.

• A total of 1,281 interviews were completed yielding an overall margin of error of ± 2.78 percent at the midrange

of the 95 percent confidence level.

• The male-to-female ratio of respondents was 51 percent male to 49 percent female. • The urban-to-rural ratio of respondents was 60 percent urban to 40 percent rural.

available.

• The sample was post-weighted to make it proportional to national representation by province.

• The information in this report has been compiled in accordance with international standards for market and social

research methodologies.

• This poll was made possible by the generous support of the American people through the United States Agency

for International Development (USAID) under Award No. DFDA00080035000. The opinions expressed herein are those of the author(s) and do not necessarily reflect the views of USAID or the United States Government.