Retirement Plan Contribution Limits and Tax Deadlines for 2026

2026 Traditional/Roth IRA:

Contribution limit – $7,500
For those age 50 or older, an additional $1,100 catch-up contribution can bring the total to $8,600

2026 maximum 401k and 403b:

Contribution limit – $24,500
For those age 50 or older, an additional $8,000 catch-up contribution can bring the total to $32,500

2026 Simple IRA and SIMPLE 401k plans:

Contribution limit – $17,000
For those age 50 or older, an additional $4,000 catch-up contribution can bring the total to $22,250

Quarterly estimated tax due dates:

First installment for 2026 taxes – April 15, 2026
Second installment for 2026 taxes – June 15, 2026
Third installment for 2026 taxes – September 15, 2026
Fourth installment for 2026 taxes – January 15, 2027