Would you be surprised if I told you that more Americans know their astrological signs than their blood type? That’s what a Quest Diagnostics survey found in 2023. According to their findings, 66 percent of Americans knew their horoscope sign, while only 58 percent knew their blood type (which declined to 47 percent of Millennials and 32 percent of those in Gen Z). Edwards et al. (2025) cited this unfortunate statistic in their recent research that claimed people with less education and intelligence had greater belief in astrology. Moreover, they found that women and people of color were more likely to be in this camp. But there were limitations to that study, so let’s explore them and shed some light on why astrology maintains its popularity despite its lack of scientific validity.

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