™CASNOS contribution calculator (self-employed)
Calculate the annual social contribution for self-employed workers (CASNOS) by declaration scheme
Per official rate schedules · 2026
Declared assessment base (standard / real / auto-entrepreneur) or annual turnover (flat-rate).
Annual contribution
150,000DA
Annual contribution: 150,000 DA
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How it works
Taxable assessment base = declared amount (or % of turnover under the flat-rate scheme).
Annual contribution = assessment base × 15%, capped between 32,400 and 648,000 DA.
Contribution is paid in four quarterly installments over the year.
Sources: official CASNOS portal (damancom.casnos.dz) · CASNOS.
CASNOS — Non-salariésHsabet is not affiliated with any of these official organizations – cited for reference only.
Frequently asked questions
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DGIThe CASNOS calculator estimates the annual social contribution for non-salaried workers in Algeria (merchants, artisans, liberal professionals, auto-entrepreneurs). The contribution equals 15% of the annual declared assessment base, with a minimum of 32,400 DA (on an assessment base of 216,000 DA) and a maximum of 648,000 DA (on 4,320,000 DA).
It covers the four declaration schemes: standard, real, and auto-entrepreneur (assessment base declared directly), and the flat-rate scheme where the assessment base is a percentage of turnover (25% for sale of goods and production, 35% for services). The contribution is also broken down into quarterly and monthly payments.