What was the average lifespan of a slave?

Answer 1

7 years according to Amber Hiranaka. 7 years according to Amber Hiranaka.

Answer 2

The average lifespan of a slave in ancient Rome was around 20 to 30 years, due to harsh living conditions, poor nutrition, and hard labor. In the United States during the 19th century, the average lifespan of a slave was around 20 to 30 years as well, though this varied depending on factors such as location, living conditions, and type of work.