Calculateur d’Impôt sur le Revenu – France 2025

contributions = {
securiteSociale: 0.092, // Sécurité Sociale: 9.2%
csgCrds: 0.098, // CSG/CRDS: 9.8%
retraite: 0.0685, // Retraite: 6.85%
chomage: 0.028, // Chômage: 2.8%
assuranceMaladie: 0.006 // Assurance Maladie: 0.6%
}

taxBrackets = [
{ lower: 0, upper: 10225, rate: 0.0 },
{ lower: 10225, upper: 26070, rate: 0.11 },
{ lower: 26070, upper: 74545, rate: 0.30 },
{ lower: 74545, upper: 160336, rate: 0.41 },
{ lower: 160336, upper: Infinity, rate: 0.45 }
]