The Data of COVID-19 in Tunisia from March 02, 2020 to April 19, 2020 were collected from the website of three official sources: the National Observatory of New and Emerging Diseases of the Tunisian Ministry of Health, the Coronavirus Worldometer and The World Health Organization (WHO). An Excel file was used to build a time-series database. The daily tests and the total recovered are only collected from the country official source. SIR model is designed for the country using an open source Matlab code and the previous excel database consisting of 45 number determinations.