Based on the increase in the Consumer Price Index (CPI-W) from the third quarter of 2018 through the third quarter of 2019, Social Security and Supplemental Security Income (SSI) beneficiaries will receive a 1.6 percent COLA for 2020. This COLA is also applied to other defined benefits such as civil service annuities, veterans benefits, military retired pay, etc.
Get the fact sheet from the Social Security Administration: 2020 COLA Fact Sheet 1.6% Increase