This Bloomberg article has a list of areas where the U.S. is following behind its peer group of developing nations.

• roads, highways, bridges
• high construction costs for all types of infrastructure, particularly high speed rail causing planned projects to be canceled
• health care costs and outcomes
• life expectancy
• maternal mortality
• rents rising faster than inflation
• opioid addiction
• suicide
• lead in drinking water
• poverty and hunger

The article offers the cautionary tale of Italy, which has been sliding backward over a decade or so following many years of similarly flashing warning lights before that.