> We estimate that these laws prevented fatalities of 57 children in car crashes in 2017 but reduced total births by 8,000 that year and have decreased the total by 145,000 since 1980.

145K is roughly the population of Syracuse, NY or Midland, TX. That is far more than the absolute number of US military deaths in World War I (116,516 per https://en.wikipedia.org/wiki/United_States_military_casualt...).