Pay gap FAQs

The gender pay gap is a complex issue and there is no definitive way in which to report a single figure which fully captures those complexities. The pay gap is caused by a range of factors, and not just women and men being paid different pay rates for the same job.

This section aims to answer the most commonly asked questions about the pay gap.

What is the gender pay gap?

The gender pay gap is the difference between men’s and women’s average hourly pay, and is the key indicator of women’s labour market inequality. It represents women’s and men’s divergent experiences of not only the workplace, but also education, skills acquisition, care and other domestic labour, and wider societal conventions.

Don’t we have equal pay by now?

Unfortunately, no. Following the introduction of equal pay law in 1970 employers have been on a long journey towards equal pay. Some employers have undertaken job evaluation exercises to identify where jobs of equal value may be paid differently, and taken action to rectify this, but anomalies still exist. There also remains the issue that the skills associated with jobs typically seen as ‘women’s work’ are systematically undervalued, and therefore these jobs receive lower pay than they should.

While equal pay law provides a legal remedy to women who have received unequal pay, most causes of the pay gap are in fact not unlawful. Rather, they are the causes and consequences of women’s wider societal inequality, and intransigent historical expectations around women’s roles.

What are the causes of the gender pay gap?

The gender pay gap is caused by a range of factors. These include:

  • occupational segregation, which is the clustering of women and men into different types or work (horizontal segregation) and different levels of work (vertical segregation, often known as ‘the glass ceiling’);
  • a lack of quality part-time and flexible working;
  • the economic undervaluation of stereotypical female work such as care, retail, admin and cleaning;
  • women’s disproportionate responsibility for unpaid care;
  • biased and untransparent recruitment, development and progression practices;
  • male-oriented workplace cultures; and
  • discrimination in pay and grading systems.

Do all women experience these factors in the same way?

Women’s experiences vary. Disabled women, Black and minority ethnic women, Muslim women, lesbian and bisexual women, trans women, refugee women, young women, and older women experience different, multiple barriers to participation in the labour market, and to progression within their occupation, which contribute to the pay gap.

Underemployment, both hours and skills related, disproportionately affects disabled women and BME women. BME, disabled, and lesbian, bisexual and trans women more likely to report higher levels of discrimination, bullying and harassment. Muslim women face a “triple penalty” at work whereby they experience discrimination and disadvantage because they are Muslim, a woman and very often a BME person.

What is Scotland’s gender pay gap?

New data from the UK Office for National Statistics shows that in 2018 Scotland’s gender pay gap is 14%. Women working full-time earn 10% less than their male counterparts, while part-time women earn on average 30% less than men working full-time, illustrating the systemic undervaluation of "women's work" which continues to be concentrated in part-time, low-paid jobs.

2018 figures

Mean

Median

Overall pay gap

14%

15%

Full-time pay gap

10%

6%

Part-time pay gap

30%

34%

Although there has been some progress on narrowing the pay gap in the longer term, progress in recent years has stalled, and this persistent lack of meaningful change for women should be a catalyst for concrete action to close the pay gap.

Why are pay gaps in the news always different?

The figure you arrive at when calculating the gender pay gap depends on the data you are using. Generally speaking, whichever dataset is used, it is possible to calculate a number of different figures, all of which could be described as ‘the gender pay gap’. It is important to understand what the different statistics indicate.

When reporting on the gender pay gap the media draws on a variety of sources as these become available. This is because the stories journalists report on are driven by the news releases they receive on a daily basis. Some media reporting on the gender pay gap does not describe the figures being used, nor set them in a wider context. This can serve to create confusion over the gender pay gap and what is being reported.

Which is more accurate: mean or median?

From a purely statistical standpoint, the median is considered to be a more accurate measure as it is not skewed by very low hourly pay or very high hourly pay. However, we know the very high paid people tend to be men, and the very low paid people tend to be women, and the mean paints an important picture of the pay gap because it reflects this issue. It is therefore good practice to use both the mean and the median when analysing or reporting on the gender pay gap.

What is the difference between the full-time and part-time pay gaps, and why is it important?

The overall, or combined, gender pay gap figure (which includes full and part-time employees) provides the most complete picture in relation to women’s experiences of work.

Sometimes, in media reporting on the pay gap, coverage may actually be referring to the full-time pay gap, which is calculated by comparing women’s full-time average hourly pay with men’s full-time average hourly pay. This figure is usually lower than the overall figure as it does not include part-time employees, the vast majority of whom are women, and whose average hourly pay is much lower than the average hourly pay of a full-time employees. Some reporting on the pay gap will foreground the full-time figure, again as this may paint a more positive picture.

The part-time pay gap is calculated when comparing women’s part-time average hourly pay with men’s full-time. This figure is usually much higher than the combined figure and highlights both the concentration of women in part-time work, and of part-time work in lower paid jobs. The part-time pay gap paints a stark picture of the undervaluing of ‘women’s work’ however discussion of this figure often fails the lack of quality part-time work.

Why doesn’t the part-time pay gap compare women’s and men’s part-time pay?

Some measures of the part-time pay gap compare women’s average part-time hourly pay with men’s average hourly part-time pay which usually results in a pay gap in favour of women, i.e. a negative pay gap figure such as -10%, because part-time work is overwhelmingly done by women. This measure obscures the gendered dimension of part-time work which is caused by women’s need to work part-time because of their caring roles. Comparing women’s average part-time pay with men’s average full-time pay is a more useful measure as it illuminates the concentration of part-time work in low-paid jobs.

How does the gender pay gap relate to equal pay?

The gender pay gap is not the same thing as the issue of equal pay, although unequal pay is one of the range of factors underlying the pay gap. Equal pay law covers the concept of equal pay for equal work, rendering it unlawful to pay a woman less than a man (and indeed vice versa) for the same job or jobs of equal value. Equal pay for equal work is only one small piece of the pay gap picture and tackling this alone is not enough to close the gender pay gap.

Gender pay gap

The difference between the average hourly pay of men and women. This can be calculated at a national, regional, sectoral or employer level. The figure is expressed as a percentage and where this is positive indicates that women are paid less than men.

Equal pay

This refers to the requirement to ensure women and men receive equal pay for the same or equal work. As defined by the Equality Act 2010, an individual can claim equal pay with a comparator of the opposite sex where work is different, but which would be assessed as equal in value in terms of demands such as effort, skill and decision-making.

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