Based on household data from the "Jàngandoo" education quality barometer collected from March to July 2019 and on the "COVID-19 and family" survey conducted in December 2020, this article compares the vulnerabilities faced by households before the pandemic and in the post-pandemic period. It analysis variations in household living conditions and in their financial, food, health and educational vulnerabilities of Dakar, Diourbel, Tambacounda and Ziguinchor in Senegal. The benefit of social protection in the same regions was also studied.