IMSS Contributed Weeks Calculator
Estimate your IMSS contributed weeks and how many you still need to retire
Add each job where you were registered with IMSS. If you still work there, leave the end date empty.
For example, those in an older statement.
Pension regime
Working continuously, you would reach them in about 16.8 years.
Estimate from your dates: two simultaneous jobs count once and absences or sick leave are not deducted. 1997 law: 750 weeks in 2021, plus 25 a year up to 1,000 in 2031. The official number is on your IMSS contribution statement, free at imss.gob.mx with your CURP and NSS.
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Free Online IMSS Contributed Weeks Calculator
IMSS Contributed Weeks Calculator is a free online tool that allows you to estimate your imss contributed weeks and how many you still need to retire. It works directly in your browser, no installation or account creation needed.
Why use IMSS Contributed Weeks Calculator
- Completely free with no registration
- Works directly in your browser
- Does not store or share your data
- Instant and accurate results
- Compatible with phone, tablet and computer
How to use it in 3 steps
- 1
Add your jobs
Start and end dates.
- 2
Choose the regime
1973 or 1997 law.
- 3
See what's left
Remaining weeks and time.
Questions about IMSS Contributed Weeks Calculator
How many weeks are required in 2026?
875 under the 1997 law (rising 25 per year to 1,000 in 2031); 500 under the 1973 law.