If you’ve been working for same employer continuously for at least 26 weeks before that date and earning enough (£112 a week in the tax year 2015-16), you’re eligible for Statutory Maternity Pay.1  For the first six weeks, Statutory Maternity Pay is equal to 90% of your average weekly earnings before tax. For the first six weeks, Statutory Maternity Pay is equal to 90% of your average weekly earnings before tax. 2  For the remaining 33 weeks, it’s £139.58 in 2015-16 – or 90% of your earnings if that’s less.