Datа on internal displacement in Ukraine based on Info Sapiens Omnibus survey for the period from January 2022 to February 2026

The sample of the each wave of the study consists of 1000 respondents. The survey was conducted by CATI (computer-assisted telephone interviews) based on a random sample of mobile phone numbers. The sample is representative of the adult population (ages of 16 and older) of Ukraine. The structure of the sample corresponds to the structure of the population in terms of such characteristics as gender, age, size of the settlement and region according to the data of the State Statistics Service as of January 1, 2022. The survey was not conducted in the Autonomous Republic of Crimea, the city of Sevastopol, as well as other territories of Ukraine temporarily occupied by Russia, where Ukrainian mobile operators do not provide mobile telephone services. Also, the survey does not cover Ukrainians who have fled abroad. The maximum theoretical error does not exceed 3.1%. The survey was conducted monthly from January 2022 to February 2026 (50 waves). The survey was conducted in two languages: Ukrainian and Russian. https://www.sapiens.com.ua/en/omnibus本研究每一轮调查的样本量均为1000名受访者。本次调查采用计算机辅助电话访谈（Computer-Assisted Telephone Interviews，CATI）方法，基于手机号码随机抽样框架开展。该样本能够代表乌克兰16岁及以上成年人口群体。依据乌克兰国家统计局2022年1月1日的统计数据，样本在性别、年龄、定居点规模与所属地区等人口特征分布上与总体人口结构保持一致。本次调查未覆盖克里米亚自治共和国、塞瓦斯托波尔市，以及乌克兰其他被俄罗斯临时占领且乌克兰移动运营商无法提供移动通信服务的领土，同时也未包含流亡海外的乌克兰公民。 本次调查的最大理论误差不超过3.1%。调查周期为2022年1月至2026年2月，每月开展一轮，共计50轮。调查采用乌克兰语与俄语两种语言进行。 https://www.sapiens.com.ua/en/omnibus