National Center for Health Statistics

While some argue that a continued decline in the birth rate will merit a failed replacement rate for the overall population, it's time to take a pause and appreciate the nuances in these observed trends.
A new study published in JAMA details the U.S. county-level trends in mortality rates for major causes of death. While a bit flawed, it's a step in the right direction as regional health disparity is often way more vital to informing policy than national tendencies.
Overall, the average life expectancy in the United States is on the rise, and has been gradually increasing since 1990.