More than 40% of non-domestic properties in Northern Ireland are lying empty.
As of May more than 2,600 unoccupied buildings, mostly shops, were recorded here.
The figures were revealed by Communities Minister Caral Ni Chuilin in response to an Assembly question from the DUP's Mervyn Storey.
The 10 cities/towns with the highest rate of vacant non-domestic properties are: Belfast; Randalstown; Coalisland; Dromore, Co Down; Larne; Strabane; Coleraine; Bangor; Kilkeel, and Cookstown.
According to the department, the total number of occupied properties is now 6,100, yet a further 43% are empty - 2,629.
Belfast recorded Northern Ireland's largest vacancy rate of 33%, with the number of empty properties standing at 1,841, and 3,733 occupied.
This compares to a low of 32 empty properties in Dromore, where the vacancy rate is 27%.
Coleraine has 173 vacant properties, followed by 168 in Bangor while 101 were recorded in Larne, 96 in Cookstown and 92 in Strabane.
A further 47 unoccupied buildings were recorded in Kilkeel, 40 in Coalisland and 39 in Randalstown.
Vacant buildings can include hotels, pubs, filling stations, sports facilities and church halls, while shops, showrooms, supermarkets and warehouses make up the biggest chunk. Mr Storey, a former Stormont minister, said the figures demonstrate the scale of the challenge ahead to regenerate town centres in the aftermath of the lockdown.
"The fact that in many areas of our province between one-fifth and a third of retail and office units are vacant is deeply concerning," he said.
"The corresponding rate reported in Scotland, for example, is 9.8%.
"The DUP is committed to proactively harnessing opportunities to re-energise our towns and villages.
"We also want to examine new opportunities to assist landlords in converting space above shops or offices into residential accommodation."
The Department for Communities said: "The problems facing our town and city centres have been exacerbated by the 2007 economic crisis and internet shopping and certainly the Covid-19 pandemic.
"Ongoing issues include vacant properties, business rates, out of town retail, the rise in internet shopping and the price of car parking.
"The current crisis has more than ever brought into sharp focus the challenges faced by businesses in these locations but the department has in place a number of programmes which are designed to support the long-term recovery of town and city centres and arterial routes."