Average cost of Medicare Part A
If you or your spose worked and paid Medicare taxes for the equivalent of 10 years (40 quarters), you qualify for premium-free Medicare Part A.
If you paid Medicare taxes for only 30-39 quarters, your 2020 Part A premium will be $252 per month. If you paid Medicare taxes for fewer than 30 quarters, your premium will be $458 per month.
Average cost of Medicare part B
The standard monthly premium for Medicare Part B is $144.60 per month in 2020.
Some Medicare beneficiaries may pay more or less per month for their Part B coverage. The Part B premium is based on your reported income from two years ago (2018).
Average cost of Medicare Part C
In 2019, the average monthly premium for a Medicare Part C (Medicare Advantage) plan nationwide was $29 per month, and the median premium cost was $21 per month.
Average cost of Medicare Part D
The average Part D plan premium in 2020 is projected to be $42.05 per month.
Medicare Supplement Costs
The average premium a Medicare Supplement Insurance (Medigap) plan beneficiary paid in 2018 was $125.93. But the average cost of each type of Medigap plan can vary quite a bit from one plan type to another.