Learn about the types of people who become sewers. This page goes into detail about the employment, gender, and ethnic ratios of the workplace.


Gender Mix By Career Interest, 2024

This graph shows the distribution of females and males that are interested in becoming a sewer. Four or five star ratings on CareerExplorer indicate interest.

More women than men are interested in becoming sewers at a ratio of 2.55 to 1.


Actual Gender Mix, 2024

82% of sewers are female and 18% are male.


Gender Bias, 2024

This is one of the most compelling statistics we collect. Gender bias shows the difference between gender interest in being a sewer and the actual gender mix of people in the career.

If there is a significant difference, then it means there is a gender imbalance between those interested in becoming a sewer and those who end up becoming one.

In this case there are more men interested in becoming a sewer than those actually working as one. It is hard to pinpoint the exact reasons why, but there are likely various forces at play, from changing interests over time to societal norms and biases.


Ethnic Mix, 2019

The largest ethnic group of sewers are White, making up 55% of the population. The next highest segments are Other and South Asian, making up 27% and 9% respectively.