This dataset contains the data collected in an online survey on the use of Chinese mobile messaging application WeChat by German-speaking expatriates in China. The survey was conducted in German and was online between November, 2018, and April, 2019. A total of 208 fully answered surveys were submitted through the online platform www.soscisurvey.de. The data collected was exported in the following available formats: Excel, GNU R, SPSS, SQL, and Stata. PDF screenshot desktop and mobile versions of the survey are included in the dataset.