Taxation is an important factor in planning your federal retirement income. Your FERS annuity, Social Security benefits, and TSP withdrawals are all taxed as ordinary income under federal income tax rules, depending on your tax bracket. Below, we’ll break down the tax implications of each, starting with your FERS annuity. https://www.federalpensionadvisors.com/post/understanding-taxes-on-fers-annuity