National Insurance April 2024. This tax and ni calculator will provide you with a forecast of your salary as well as your national insurance contributions for the tax year of 2024/25. โ the starting rate for national insurance for 27 million workers fell from 12% to 10% on 6 january 2024, and again to 8% on 6 april.
โ from 6 april 2024, the combined effect of measures from both fiscal events is that the main rate of class 4 nics will reduce from 9% to 6%, and class 2 nics will. โ the main rate of employee national insurance has been cut for 27 million workers from 12% to 8%, saving the average employee on ยฃ35,400 over ยฃ900 a year.