Between 30% and 35% of the total amount of generated waste in most developed countries is attributed to building sector activities such as building construction, renovation, and demolition processes, according to the official EU statistical data. In many countries on our list, the construction industry is often the largest culprit, generating more than 90% of the total waste produced in a country.

Source: These Are the World’s Biggest Producers of Waste – 24/7 Wall St.