Cet article fait partie de la revue Futuribles n° 241, avr. 1999
France, like the other industrialized countries, confronts a rapid aging of its population and a consequent danger to the stability of its retirement system, given the principle of equalization between basic and complementary plans. The French Prime Minister asked the Commissaire au plan to explore the challenge and the possible avenues for addressing it. One of the main recommendations, in line with the Reform of 1993, is the extension of working life. This would obviously avoid an excessive degradation of the ratio between the years of contributions and those of receiving benefits.