الحزب الحر الدستوري الجديد
Born during the French occupation of Tunisia, Mebazaa became a member of the "constitutional youth" in 1947 and was elected a member of the Aix–Marseille unit of the Neo Destour political party, which played a major role in gaining independence from France. He was elected as Secretary-General of the Marsa unit of Neo Destour in 1955 and President of its Montpellier unit in 1956.