Ghana has been ranked the second in Africa in open defecation with almost a fifth of the population practising the habit.
According to Issahaku Alhassan, the chief director of the Northern Regional Coordinating Council, the Tamale Metropolis is also ranked second in the country for the practice with seven out of ten household not having places of convenience of their own.
This was revealed at the launch of an open defecation league table in the Norther Region.
According to Mr Alhassan, open defecation cost the country 79 million dollars every year, money which could be spent on other productive ventures.
Open defecation is a major contributor to diseases such as cholera and diarrhoea which kills many annually in Ghana.