For 2020, max contributions for individuals are $3,550 and for families they are $7,100. If you are 55+ years old, you can also make a catch-up contribution of $1,000.
Source: Rev. Proc. 2019-27: Changes to HSA contribution limitation for 2018. Internal Revenue Service (IRS)
Source: Rev. Proc. 2019-30: HSA contribution limitation for 2019. Internal Revenue Service (IRS)