Dominicans to Keep More of Their Pay Under New 2027 Tax PlanDominica announced on Tuesday the biggest income tax cut in its history. It replaces the country’s tiered tax system with a flat 10% income tax rate beginning January 1, 2027. This means individuals earning that amount or less will continue to pay no personal income tax. He said, “It is the most significant income tax relief ever granted to the people of Dominica. Income generated outside the country will no longer be subject to Dominican income tax.