Marginal rates of tax uk
But as a result of budget changes, a parent on £49,999 pays a maximum 20% income tax, but their marginal rate effectively jumps to 57.9% when they tip over £50,000. The graph shows this as a marginal rate of 60pc between £50,000 and £60,000. The dotted line, at more than 70pc, shows the marginal rate that would apply to a family with four children.