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ComorosMauritania vs Oman: salary after tax compared
What you keep of the same gross salary at home in Mauritania and in a job in Oman, under the official 2026 rules of each country.
On a gross salary of $3,000 a month, an employee in Mauritania keeps about $1,959 (34.7% deducted), against about $3,000 for an expat in Oman (0% deducted). Mauritania: income tax 15% to 40% after an exemption of 6,000 ouguiyas a month. Oman: no income tax on salaries.
The figures for Mauritania are estimates: official sources are limited. Treat small differences with care. Verification levels.
Monthly take-home pay at 6 salary levels
Each gross salary is converted into local currency at a fixed exchange rate and run through each country's 2026 rules. Take-home pay is shown in US dollars, with the local amount under it. Mauritania is for an employee there; Oman is for a single expat employee.
| Gross a month (USD) | Mauritania take-home | Oman take-home | Difference a month |
|---|---|---|---|
| $1,000 | $759 30,360 MRU | $1,000 384 OMR | $241 more in Oman |
| $2,000 | $1,359 54,360 MRU | $2,000 769 OMR | $641 more in Oman |
| $3,000 | $1,959 78,360 MRU | $3,000 1,153 OMR | $1,041 more in Oman |
| $5,000 | $3,159 126,360 MRU | $5,000 1,922 OMR | $1,841 more in Oman |
| $8,000 | $4,959 198,360 MRU | $8,000 3,076 OMR | $3,041 more in Oman |
| $12,000 | $7,359 294,360 MRU | $12,000 4,614 OMR | $4,641 more in Oman |
Exchange rates: 1 MRU = 0.025 USD (2 October 2026), 1 OMR = 2.6008 USD (2 October 2026).
Which leaves you more?
Oman leaves you more at every salary level we compared. On $3,000 a month gross, the difference is about $1,041 a month ($12,492 a year) in favour of Oman.
The Gulf figures are for an expat. Oman treats nationals differently: they pay pension contributions that expats do not. Switch to national in the calculator to see their figures.
Deductions on $3,000 a month, line by line
Every deduction from the same gross salary in each country, in local currency, with the calculator's notes.
- The calculation does not include the compulsory health insurance (CNAM) contribution because we could not confirm its rate from an official text, so your actual net pay may be lower.
- Exempt allowances are not counted (such as family allowances, or allowances up to 1,000 ouguiyas a month other than housing and transport).
- There is no income tax on salaries in Oman in 2026. Personal income tax (5% on income above 42,000 rials a year) starts on 1 January 2028.
- Nothing is deducted from a non-Omani's salary in 2026. The work injury branch for non-Omanis is deferred to July 2028, and the savings scheme (9% of basic pay, paid by the employer) starts on a date set by the Social Protection Fund board before July 2027; it is not calculated here.
Income tax and social insurance side by side
| Item | Mauritania | Oman |
|---|---|---|
| Income tax on salaries | 15% to 40% after an exemption of 6,000 ouguiyas a month | None |
| Top income tax rate | 40% | 0% |
| Employee social insurance | 1% social security up to 15,000 ouguiyas a month, plus the CNAM health insurance contribution (rate not confirmed) | Expats 0%, Omanis 8% (7.5% old age, disability and death + 0.5% job security) |
| Employer contributions on $3,000 | 1.9% | 0% |
| VAT (standard rate) | 16% | 5% |
| Corporate tax | 25% | 15% |
| End-of-service gratuity | No general scheme | Set by the labour law |
| Currency | Mauritanian ouguiya (MRU) | Omani rial (OMR) |
| Tax authority | Direction Générale des Impôts | Oman Tax Authority |
| Double tax treaty between them | No bilateral treaty | |
Where the numbers shift
- Turning point
- The better choice does not change between $500 and $30,000 a month
- Taken from your next raise (on $3,000)
- Mauritania 40% · Oman 0%
- Marginal rate on $10,000
- Mauritania 40% · Oman 0%
- Tax freedom day ($3,000)
- Mauritania 8 May · Oman 1 January
- Take-home after VAT on spending
- Mauritania $1,689 · Oman $2,857
- Employer cost on top of salary
- Mauritania 1.9% · Oman 0%
Take-home after VAT = take-home pay ÷ (1 + the standard VAT rate): what the salary is worth if all of it is spent on goods at the standard rate. Tax freedom day: the day of the year on which you stop working to pay tax and contributions.
End-of-service gratuity
Oman requires employers to pay a lump sum when the contract ends. Mauritania has no general scheme. Amounts below are for $3,000 a month, with basic pay at 70% of gross and the contract ended by the employer.
| Years of service | Oman |
|---|---|
| 2 years | $4,200 1,615 OMR |
| 5 years | $10,500 4,037 OMR |
| 10 years | $21,000 8,074 OMR |
Resigning can reduce the amount in some countries. The end-of-service calculators apply each country's full rules.
Beyond salary: investments, family and residence
| Item | Mauritania | Oman |
|---|---|---|
| Gains on shares (top rate) | 10% | 0% |
| Gains on property (top rate) | 10% | 0% |
| Dividends | 10% | 0% |
| Crypto gains | Not settled | Not taxed |
| Inheritance tax | No | No |
| Remote work visa | None | None |
Moving from Mauritania to Oman: what changes
- On $3,000 a month you gain about $1,041 a month after the move ($12,492 a year), because the deduction rate falls from 34.7% to 0%.
- On $10,000 a month, each extra dollar of a raise loses 0% in Oman instead of 40% in Mauritania, so pay rises are worth more after the move.
- VAT falls from 16% to 5%: spending $1,000 a month on standard-rated goods costs about $95 less each month.
- You gain a legal right to an end-of-service gratuity in Oman (about $10,500 after 5 years on $3,000 a month), which no general scheme provides in Mauritania.
- Gains on shares: not taxed in Oman, against up to 10% in Mauritania.
- Dividends: not taxed in Oman, against 10% in Mauritania.
- Crypto gains: not taxed in Oman; not settled in Mauritania.
- Tax residence in Oman: In 2026 there is no tax residence test for individuals, because they pay no income tax. You may also stay tax resident in Mauritania if you do not end your residence there. Count your days.
Mauritania vs Oman: common questions
Which pays more after tax, Mauritania or Oman?
Oman leaves you more at every salary level we compared. On $3,000 a month gross, the difference is about $1,041 a month ($12,492 a year) in favour of Oman.
How much is left of $3,000 a month in Mauritania and Oman?
On a gross salary of $3,000 a month, an employee in Mauritania keeps about $1,959 (34.7% deducted), against about $3,000 for an expat in Oman (0% deducted). Mauritania: income tax 15% to 40% after an exemption of 6,000 ouguiyas a month. Oman: no income tax on salaries.
How much is left of $12,000 a month in each?
About $7,359 in Mauritania and $12,000 in Oman. The gap grows with pay because the marginal rates at this salary differ (40% against 0%).
Do expats pay social insurance in Oman?
Expats 0%, Omanis 8% (7.5% old age, disability and death + 0.5% job security). On $3,000 a month an expat has 0% deducted in total.
Is VAT higher in Mauritania or Oman?
VAT is 16% in Mauritania and 5% in Oman. VAT applies to most of what you buy, so it changes what a salary is worth even when take-home pay is the same.
Is there a double tax treaty between Mauritania and Oman?
We found no bilateral treaty in the official lists we checked on 9 October 2026. Without one, each country applies its own law, and many credit foreign tax on their own.
Does the comparison include the cost of living?
No. It covers taxes and mandatory contributions only, at fixed, dated exchange rates. Rent, schooling and health care can change the result, so weigh them next to these figures.
Sources
Rates and bands come from each country's official sources. Mauritania last checked 2 October 2026, Oman 2 October 2026.
- General Tax Code (Law 2019-018), 2020 edition published on the tax administration website: articles 110, 113 and 114 Mauritania · official source
- Finance Law for 2026 (Ministry of Economy and Finance): its tax provisions do not change the tax on salaries and wages Mauritania · official source
- Finance Law for 2025: its tax provisions do not change the tax on salaries and wages Mauritania · official source
- Law 2012-007 extending health insurance (CNAM) to the private sector: the contribution rate is set by decree Mauritania · official source
- Social Protection Law issued by Royal Decree 52/2023 (amended text: Articles 52, 68, 70, 90, 115, 116, 121, 123, 127, 128, 136, 137 and 139), Official Gazette 1503, via the Qanoon website Oman · official source
- Royal Decree 60/2025 amending Article 6 of Royal Decree 52/2023 (deferring work injury cover for non-Omanis and the savings scheme), Official Gazette 1604 Oman · official source
- Labour Law issued by Royal Decree 53/2023 (Article 61) Oman · official source
- Royal Decree 56/2025 issuing the Personal Income Tax Law (5%, 42,000 rials, in force from 1 January 2028), Official Gazette 1602 Oman · official source
Results are estimates for information only, not tax advice. How we calculate.
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