However, in an attempt to downplay the social discontent, the Interior Ministry said on Saturday that only about 963,000 people across the country had protested against the bill.
As for the General Confederation of Labour (CGT), France's largest union, the number of Saturday's general mobilization topped 2.5 million, against some 2 million on Tuesday.
Previously, Prime Minister Elisabeth Borne laid out details of the plan, which would progressively raise the legal retirement age from 62 to 64 by 2030. Starting in 2027, the plan would also require at least 43 years of work to be eligible for a full pension.
Though certain regions of France have entered winter school holidays, the number of demonstrators rose in many cities.