(December 20, 2013 –
March 01, 2014) – World Value Survey (Wave 6) – commissioned by the World Value
Survey Association WVSA
Covering 50 countries, this world public opinion survey gauges communities’ political, social and economic trends and interests, and observes changes in those trends, as well as the priorities of a number of different subjects and issues. The survey was supervised by World Values Survey Association. The project was implemented in Yemen by PERCENT Corporation on a national sample made up of 1,000 people, aged 18 years and over in 19 governorates.