Based on the given data, the number of employees in water collection, treatment, and supply in Spain stood at 60.0 thousand persons in 2023. Examining the year-on-year variations reveals that from 2022 to 2023, there was a growth of 1.18%. The compound annual growth rate (CAGR) over the last five years reflected a rate of 1.21%.

Forecasted data suggests a continuation of steady growth, with a forecasted CAGR of 0.84% from 2024 to 2028. By the end of 2028, the number of employees is projected to reach 63.3 thousand, presenting a cumulative growth rate of 4.28% over the forecasted period.

Future trends to watch for:

Environmental regulations: Increasingly stringent environmental regulations could drive demand for more specialized workers in water treatment facilities.
Technological advancements: Adoption of advanced water treatment technologies may influence workforce composition, necessitating more technical skills.
Investment in infrastructure: Government and private sector investments in water infrastructure development could further impact employment numbers positively.