Luxembourg's Joint Center for Social Security has published revised minimum and maximum social security contribution basis amounts with effect from September 2023. This includes: an increase in the standard monthly minimum basis from EUR 2,508.24 effective 1 April 2023 to EUR 2,570.93 effective 1 September 2023; and an increase in the standard monthly maximum basis from EUR 12,541.18 effective 1 April 2023 to EUR 12,854.64 effective 1 September 2023. This follows earlier adjustments in January, February, and April 2023, and as a result: the annual minimum basis for 2023 is EUR 30,106.46 (2,387.40 + 2 x 2,447.07 + 5 x...