by On November 5, 2019, the IRS announced 2020 cost-of-living adjustments for annual contribution and other dollar limits affecting 401(k) and other retirement plans. The maximum limit on salary deferral contributions to 401(k) and 403(b) plans increased $500 to $19,500 and a number of other dollar limits increased. Citations below are to the Internal Revenue Code.
In a separate announcement, the Social Security Taxable Wage Base for 2020 increased to $137,700 from $132,900 in 2019.
E is for ERISA 
Ira limits also up $500?
Ira limits also up $500?
No, they remained unchanged, please second of the 2 charts.