Indianapolis is the US city with the highest birth rate, study finds, which could have an impact on its future

• Indianapolis has the highest birth rate among major US cities, per SmartAsset analysis.
• It used US Census data from 2021-2022 to compare birth rates in 37 large cities.
• Immigration and a population's age composition could play a role, a demography expert told BI.

Indianapolis is the US city with the highest birth rate, according to a new analysis by the financial technology company SmartAsset.