The parliamentary group with the lowest average age, the group that has had the major impact on renewal, is the MoVimento 5 Stelle {5 Star MoVement}, with an average age of 37 years (33 in the Lower House and 46 in the Senate); the oldest is the PDL with an average age of 54 years (50 in the Lower House and 57 in the Senate). The 5 Star MoVement} is also the group with the highest percentage of graduates: 88%; at the bottom of the table are the PD with 67% and the Lega with 40%.