fin_NI: Compute NI given annual Earnings.

In umx: Structural Equation Modeling and Twin Modeling in R

Compute NI given annual Earnings.

Description

Employees pay contributions at 12%% on annual earnings between £9,568 and £50,270. Above that you pay at 2%%. Employers pay at 13.8%% on all annual earnings of more than £8,840, although there are different thresholds for those under the age of 21 and for apprentices under the age of 25.

Usage

fin_NI(annualEarnings, symbol = "£")

Arguments

annualEarnings	Employee annual earnings.
symbol	Currency symbol to embed in the result.

Value

• NI

References

• https://www.telegraph.co.uk/tax/tax-hacks/politicians-running-scared-long-overdue-national-insurance-overhaul/

See Also

• fin_interest(), fin_percent(), fin_valuation()

Other Miscellaneous Functions: deg2rad(), fin_JustifiedPE(), fin_expected(), fin_interest(), fin_net_present_value(), fin_percent(), fin_ticker(), fin_valuation(), rad2deg(), umxBrownie()

Examples

fin_NI(42e3)
fin_NI(142000)

umx documentation built on Nov. 5, 2025, 5:26 p.m.