Just 200 social homes were added to local authority stock in the region during 2020.
According to figures from National Oversight and Audit Commission, there were over 8,000 housing units in ownership of the five local authorities at the start of 2021.
Across the entire country, over 3,000 social homes were added to council portfolios over 2020, leading to a total available supply of 141,128 units nationally.
Monaghan had the largest addition of properties locally with 68 homes acquired and 16 sold leaving the housing stock in the county at 1,667.
That's followed closely by Longford where 64 homes were added in 2020 to the counties existing total of 2,067.
18 social properties were sold by Longford County Council and one was demolished across the year, bringing the net gain for the local authority to 48.
The remaining three local authorities recorded between 21 and 24 new properties each added to their books, with the lowest figure recorded in Leitrim at 21.