Conclusion about midwife salary. According to payscale, the average salary of a midwife per annum in the US is between $30,913 – $108,903. The average annual income for Midwife is $76, 302.In the United Kingdom, Midwives receive an average salary between 20,177 – £36,620 per annum.idwife salary in UK. In the United Kingdom, the average annual salary of a Midwife is between £20,177 – £36,620. The median midwife salary is around £25,000. In Uk, the average salary of Midwife per annum based on number of work experience is as follows.