My son and his then fiancee (now his wife) cycled 3,000 miles round Asia last summer. Some of the roads were very quiet, some were hardly roads and some were horrendous and, reading between the lines, they were quite scared at times. He used a scooter when he was working in East Timor and was knocked off by a minibus pulling out in front of him. He and his pillion passenger were airlifted to hospital in Australia, my son with a broken collar bone and his friend with several broken bones. No insurance in E. Timor, so no compensation. At least the scooter was unrideable so I didn't have to worry about that any more.
His job is quite dangerous and I'm not sure which is more worrying, the job or the roads.