National Insurance Contributions – Changes for 2011-12
From 6 April 2011 Class 1 National Insurance contributions will increase by 1%. Therefore, the main rate of Class 1 NICS will be increased to 12% and the Class 1 employer rate of NICS will be increased to 13.8%. The increased rate will also apply to Class 1A and Class 1B contributions. The additional rate of Class 1 will be increased to 2%. The primary threshold for the year will be increased to £570 above the equivalent income tax personal allowance in 2011-12.