Public opinion poll (VCIOM): March — April 2019
VCIOM-Sputnik daily survey results. The survey method is stratified dual-frame sample consisted of telephone interviews. The sample is based on a complete list of landline and mobile phone numbers operating in Russia and involves 1,600 persons. The data were weighted for the probability of selection and reflect social and demographic characteristics. The margin of error at a 95% confidence level does not exceed 2.5%.