Practical workflow
Turn this guide into a reliable estimate
Begin with the pay and tax period, residency or worker category, cash salary and any separately treated bonus, benefit or deduction. The Mauritius CSG Calculator is most useful when its inputs come from an offer, payslip or year-to-date payroll record rather than a guessed package total.
Reconcile the result line by line: gross cash, taxable income, income tax, employee contributions, employer contributions and take-home pay answer different questions. Compare the applicable rule with Mauritius Revenue Authority, and investigate differences caused by caps, allowances, multiple jobs, pay-period rounding or one-off payments.
Keep the calculation assumptions with the result so another person can reproduce it. Recalculate after a pay rise, bonus, benefit change, contribution ceiling or new tax period, and use the official payroll or filing record as the final authority where it differs from a planning estimate.
Before finishing, run a second Mauritius CSG Calculator scenario with one important input changed and compare the full breakdown. This sensitivity check shows which assumption drives the Mauritius result, helps expose data-entry errors and prevents a single estimate from being treated as a guaranteed outcome. Keep both versions with the source record so the reason for the change remains clear when the estimate is reviewed later.
Separate payroll contributions from tax
Income tax estimates are not enough for payroll planning. CSG and NSF can reduce employee take-home pay and increase employer cost, so they need separate lines in the calculation.
Employee deduction affects net pay
Employee CSG and NSF reduce take-home pay. Showing them separately helps users understand why net pay changes even before income tax is considered.
Employer contribution affects hiring cost
Employer CSG and NSF do not usually reduce employee net pay. They are still important because businesses need to understand the full monthly and annual cost of employing someone.
Editable rates are safer
For ordinary private-sector employees from July 2026, monthly NSF uses a Rs 4,580 floor and Rs 29,710 ceiling. Employee NSF is 1% and employer NSF is 2.5% of that base. Household and special categories require separate treatment.
Best use case
Use this guide and calculator for payslip checks, job-offer comparisons and employer payroll budgeting, then confirm exact treatment with official MRA instructions.
Common questions
Frequently asked questions
What does the CSG calculator show?+
It estimates employee CSG, employer CSG, employee NSF, employer NSF and any voluntary monthly contribution entered by the user.
Why does salary threshold matter?+
For standard private-sector CSG, monthly basic pay up to Rs 50,000 uses 1.5% employee and 3% employer rates. Above that threshold the rates are 3% and 6%. Statutory bonus contributions are outside the monthly estimate.
Are employee and employer rates the same?+
Not necessarily. The calculator separates employee and employer rates because they affect take-home pay and employer cost differently.
Should I use this for filing?+
Use it for planning and explanation. Actual filing should be checked against current MRA contribution guidance and payroll records.
Official source and scope
Mauritius Revenue AuthorityRule period: Current published rules within the guide’s stated period and scope
Next scheduled review: 15 December 2026
The guide’s rule statements, scope and linked calculator were reviewed against the primary source shown on the page.
This guide explains general rules and does not replace personalised tax, financial, employment or legal advice. For exact filing, payroll, lending or compliance decisions, use the official source and professional guidance where needed.