What are the five contributing factors to most accidents in the world?

There are many contributory factors involved in most road accidents in the world. Five of them are:

Drinking alcohol while driving, as it is prohibited to drink alcohol during driving but instead of this many people drive when drinking.

Sudden break can also cause accidents.

Unskilled persons driving can be the reason of accidents, mostly underage persons.

Use of mobile phone during driving is also a factor involved in accidents. Because while using mobile phone, you cannot keep attention to road.

Exceeding the speed limit, especially teenagers drive very fast. It is also one of the factor involved in accidents.