Conducted

December 4, 2023

34356 US adults surveyed

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In the past 50 years, do you think that the average sperm levels of men worldwide have...?

Conducted December 4, 2023

YouGov surveyed 34356 US adults

10%
16%
28%
15%
31%
In the past 50 years, do you think that the average sperm levels of men worldwide have...?

Conducted December 4, 2023

YouGov surveyed 34356 US adults

By:
10%
16%
28%
15%
31%