The minimum gross monthly salary in Luxembourg for a 40-hour week in January 2020 is: 18 years and over, unskilled worker: ?2,141.99. 18 years and over, skilled worker (+20%): ?2,570.39. 17 to 18 years old: ?1,713.60. 15 to 17 years old: ?1,606.50. The average gross salary in Luxembourg is ?4,916 a month.