INSS Discount 2025: Rates, Calculation & Maximum Ceiling
Complete guide to INSS discount in 2025. Check the progressive rate table from 7.5% to 14%, learn how to calculate, and understand the ceiling limit.
INSS (social security) discount is one of the main deductions that impacts the net salary of Brazilian workers. In 2025, the rates remain progressive, ranging from 7.5% to 14% according to salary brackets.
Understanding how this discount works is essential for planning your personal finances. Social security contributions guarantee rights such as retirement, disability benefits, and death pensions.
What is the INSS discount
INSS discount is the mandatory social security contribution deducted directly from gross salary. This amount finances the Brazilian social security system, guaranteeing future benefits to contributors.
Who must contribute
Contributing to INSS is mandatory for various types of workers:
- CLT (labor law) employees (formal workers)
- Public servants under their own regime
- Domestic workers
- Individual contributors (self-employed, freelancers)
- MEI (micro-entrepreneur) individuals
- Optional insured (students, homemakers)
Calculation base
The INSS calculation base is the contribution salary, which includes:
- Monthly base salary
- Overtime and additional payments
- Commissions and bonuses
- 13th salary (when applicable)
Important: The discount is applied to each salary bracket separately, following the progressive system.
INSS Table 2025
The 2025 INSS table maintains the progressive structure implemented in previous years. The calculation is done by brackets, applying different rates according to the contribution salary.
New rates
| Salary Bracket | Rate |
|---|---|
| Up to R$ 1,518.00 | 7.5% |
| From R$ 1,518.01 to R$ 2,571.29 | 9% |
| From R$ 2,571.30 to R$ 3,856.94 | 12% |
| From R$ 3,856.95 to R$ 7,786.02 | 14% |
Salary brackets
The progressive system means you pay different percentages on each bracket of your salary. It’s not a single rate applied to the entire amount.
For salaries above the social security ceiling, the maximum discount is limited to the amount calculated on R$ 7,786.02.
How to calculate the INSS discount
INSS calculation follows a specific methodology that considers each salary bracket separately. Use our INSS calculator to get the exact result.
Step by step
1. Identify your contribution salary
- Add base salary + overtime + commissions
2. Apply rates by bracket
- Calculate the discount for each bracket separately
- Add all amounts to get the total discount
3. Check the maximum ceiling
- The discount cannot exceed R$ 908.85 (14% of R$ 7,786.02)
Practical example
Let’s calculate INSS for a salary of R$ 4,500.00:
Bracket 1: R$ 1,518.00 × 7.5% = R$ 113.85
Bracket 2: (R$ 2,571.29 - R$ 1,518.00) × 9% = R$ 94.80
Bracket 3: (R$ 3,856.94 - R$ 2,571.29) × 12% = R$ 154.28
Bracket 4: (R$ 4,500.00 - R$ 3,856.94) × 14% = R$ 90.03
Total discount: R$ 452.96
Effective rate
In the example above, the effective rate is 10.07% (R$ 452.96 ÷ R$ 4,500.00). This shows how the progressive system results in percentages lower than the maximum rate.
INSS Ceiling 2025
The social security ceiling is the maximum amount on which INSS contribution applies. In 2025, this limit is fundamental to determine the maximum discount.
Maximum amount
The INSS ceiling in 2025 is R$ 7,786.02. This means that salaries above this amount will have discount limited to R$ 908.85 (14% of the ceiling).
How it affects the discount
For salaries above the ceiling:
- Salary of R$ 8,000.00: discount of R$ 908.85 (not R$ 1,120.00)
- Salary of R$ 15,000.00: discount of R$ 908.85 (not R$ 2,100.00)
- Effective rate decreases as salary increases above the ceiling
Example: An executive with a salary of R$ 12,000 pays only 7.57% effective rate (R$ 908.85 ÷ R$ 12,000).
Impact on retirement
Contributions above the ceiling do not increase retirement benefits. The maximum INSS benefit is also limited to the current social security ceiling.
Frequently Asked Questions
How to calculate INSS quickly and accurately?
Use our INSS calculator that automatically applies the 2025 table and calculates the exact discount by salary brackets. Just enter your gross salary to get instant results.
What’s the difference between nominal and effective INSS rate?
The nominal rate is the percentage of each bracket (7.5% to 14%). The effective rate is the actual percentage paid on the entire salary. For R$ 4,500, the effective rate is 10.07%, even with a maximum rate of 14% in the last bracket.
Does the 13th salary have INSS discount?
Yes, the 13th salary has INSS discount calculated separately, applying the same progressive table. If you receive R$ 3,000 salary and R$ 3,000 as 13th salary, each amount has its own INSS calculation.
Does MEI need to pay INSS on CLT salary?
If you are MEI and also have a formal job, you must contribute INSS for both activities. The CLT discount follows the normal table, and MEI pays the fixed monthly amount (5% of minimum wage in 2025).
How is INSS discounted from commissions and overtime?
Commissions and overtime are part of the month’s contribution salary. Add all amounts (base salary + extras + commissions) and apply the progressive table to the total, respecting the ceiling of R$ 7,786.02.
Is there a minimum INSS discount?
Yes, the minimum discount is R$ 113.85 (7.5% of the minimum wage of R$ 1,518.00). Even individual contributors who pay 20% contribute at least on one minimum wage, resulting in R$ 303.60.
Can I recover incorrectly discounted INSS?
Yes, you can request refund of excessive INSS discount through the Meu INSS system or administrative protocol. Keep payment receipts and pay stubs to prove excessive discount.