How many people died in car crashes 1980?

There's no single, globally consistent source for car crash fatalities across all countries in 1980. Data collection methods varied significantly between nations at that time. To get a number, you would need to compile data from individual countries' records, which is a massive undertaking. You might find some aggregate numbers from organizations like the World Health Organization (WHO) or the National Highway Traffic Safety Administration (NHTSA) for specific regions, but a precise worldwide total for 1980 is unlikely to be available.