جبارة, مراديجياوي, الياس2019-02-102019-02-102017-03http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/7351Taxes are considered generaly on income and particulary on wages one of the most important self-stability tools ,as a progressive taxes , We have tried in this research know how important this tool in mitigating economic fluctuations in Algeria without any active policy , We have found that taxes on wages constitute a large proportion of the total income taxes reached the lowest to 68%to excel the 90 per cent in some cases,but although this considerable position we have found that despite the tax system changes there was a slight modification in income taxes ((Wages in particular) as an automatic stabilizing factor .But after a 2008 reform, income tax appears to be assuming its role as an automatic stabilizer.taxes on wages, automatic stability, fiscal flexibility, economic stability.Article