Road traffic crashes have become the leading killer of young people, aged five to 29, with most deaths happening in lower-income countries.

This data comes from World Health Organization's latest global status report on road safety, which indicates that road traffic deaths are on the rise, totally 1.35 million a year now, over 90 percent of which occur in poorer parts of the world now.

Dr. Etienne Krug, Director of the WHO Department that handles violence and injury prevention, said high level political will must be applied to take on the problem.

What needs to be done to improve the situation is clear, but policy implementation is lacking, he explained to Natalie Hutchison of UN News