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The Equality Act 2010 (Gender Pay Gap Information) Regulations 2017

BRISTOL, CLIFTON AND WEST OF ENGLAND ZOOLOGICAL SOCIETY LIMITED's self-reported statistics for 2020/21 are provided below. These statistics are submitted annually to as mandated by law for all organisations with 250 or more employees.

These statistics are required to be calculated on a particular snapshot date each year. The snapshot date for 2020/21 was 06/10/2020 and the report due date was 05/10/2021.

Hourly pay

In the year 2019/20, women earned 95p for every £1 that men earned when comparing median hourly pay. Their median hourly pay was 5.1% lower than men's. When comparing the mean difference, women earned 90p for every £1 that men earned which is 9.7% lower.

Since 2017/18, the median hourly pay for women increased by 2.5%.
About this statistic

The hourly pay statistic helps to identify the difference in pay between men and women. Both median and mean values are valuable and can highlight key differences.


A median involves listing all of the numbers in numerical order. If there is an odd number of results, the median is the middle number. If there is an even number of results, the median will be the mean of the two central numbers.

Medians are useful to indicate what the ‘typical’ situation is. They are not distorted by very high or low hourly pay (or bonuses). However, this means that not all gender pay gap issues will be picked up. They could also fail to pick up as effectively where the gender pay gap issues are most pronounced in the lowest paid or highest paid employees.

Mean (average)

A mean involves adding up all of the numbers and dividing the result by how many numbers were in the list.

Mean averages are useful because they place the same value on every number they use, giving a good overall indication of the gender pay gap. But very high or low hourly pay can ‘dominate’ and distort the figure.

Pay brackets

In the year 2019/20, women occupied 45% of the highest paid jobs and 43% of the lowest paid jobs.

Since 2017/18, the percent of women in the highest paid jobs decreased by 6.6%.
About this statistic

The pay quarter statistic helps identify the proportion of gender representation in each pay bracket. The pay quarters are calculated by dividing the workforce into four equal groups based on their hourly pay. The top quarter is the highest paid 25% of employees and the bottom quarter is the lowest paid 25% of employees. The upper middle and lower middle quarters are the 25% of employees in between.