Statement:
The chance to die in a road accident is lower in Sri Lanka than in Tonga

In the Road traffic death rate rating Sri Lanka holds position #72 2019 out of 181 and Tonga is #15 out of 181 2019.
Position of Sri Lanka is better than position of Tonga.

Referencies:

  1. Road traffic death rate 2019 by WHO
    The countries in the rating sorted by 'Deaths per 100 000 population' in descending order.
    Sri Lanka 'Deaths per 100 000 population' value is 19.69
    Tonga 'Deaths per 100 000 population' value is 32.95