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Average Weight for Women in the US:

The average weight for American women aged 20 years and above is 170.8 pounds (lbs), according to the Centers for Disease Control and Prevention (CDC).

Top 3 Authoritative Sources Used:

1. Centers for Disease Control and Prevention (CDC): The CDC is a leading national public health institute in the United States, providing vital health information, statistics, and research to promote and protect public health.

2. World Health Organization (WHO): The WHO is a specialized agency of the United Nations responsible for international public health. It provides authoritative guidance on global health matters, including obesity-related issues.

3. American Council on Exercise: The American Council on Exercise is a nonprofit organization committed to promoting physical activity and enhancing fitness education. It offers expert advice on body fat percentage guidelines and healthy weight management strategies.