Full retirement age is 66 for people born between 1943 and 1954.  Begining with 1955, two months are added for every birth year until full retirement age reaches 67 for people born in 1960  or later.
How much will be deducted if I earn more than the limit under full retirement age?
We will subtract $1 from your benefit payments for every $2 you earn over the 2019 limit which $17,640.