At least 4,284 people were killed and 9,112 others injured in 3,472 road accidents across the country in 2017.
UNB says among the deceased 516 are women and 539 children.
The fatal accidents took place on several highways and national, inter-district and regional roads across the country between January 1 and December 31 of 2017.
The National Committee to Protect Shipping, Roads and Railways (NCPSRR), a non-government organisation, on Monday revealed the information in its yearly survey and observation report 2017.
The report was prepared on the basis of news published in 22 national dailies, 10 regional newspapers and eight online news portals and news agencies.
According to the report, the number of road accidents and casualties increased in 2017 compared to 2016. A total of 3,412 people, including 470 women and 453 children died and 8,572 others injured in 2,998 road accidents in 2016.
The report shows that the number of road accidents increased by 474 in 2017 than 2016 while the number of death by 872.
As a result, the number of accidents increased by 15.82 per cent and death toll by 25.56 per cent in 2017 compared to that of 2016.
However, the report shows that the number of road accidents came down in 2017 compared to 2015.
General Secretary of the national committee Ashis Kumar Dey, said lack of proper supervision and people's awareness were the major reasons behind the high number of road crashes.