There have been more than 33,000 PPS numbers issued to people fleeing the war in Ukraine, according to the Central Statistics Office.

Almost half of the refugees who came to Ireland are women over the age of 20, while people aged under 20 make up 38% of the refugees.

The information from the CSO covers the period from the invasion of Ukraine on 24 February until 22 May.

Declan Smyth, senior statistician at the CSO, said the figure is an estimated figure, because some Ukrainians may not have applied for PPS numbers.

Speaking on RTÉ's News at One, Mr Smyth also said some people who came to Ireland may have since left the country.

Arrivals started slow at a few hundred per week in late February and peaked between late March and early April at between 5,000-6,000 per week.

Families headed up by one parent accounted for 14,271 individuals - or almost half of all those who came.

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Data based on where refugees are collecting social welfare assistance at post offices can be used to show where they are based.

Mr Smyth said post office addresses being used by Ukrainians are "a proxy for the place of residence".

The Local Election Area with the highest number of Ukrainian arrivals is Dublin's North Inner City with 1,156.

With 1,118 refugees, Ennistymon in Co Clare is the area with the highest number outside Dublin.

People fleeing the war in Ukraine now make up almost 7% of the population in the Ennistymon area.

Meanwhile, Fáilte Ireland Chief Executive Paul Kelly, has said Ukrainian refugees and others seeking asylum make up about 8% of hotel accommodation in the country, adding that this was 5% in Dublin.

Speaking on the same programme, Mr Kelly said the housing versus hotels argument is not a legitimate one, because "we need both".

"The Government is very clear that the housing issue needs to be addressed, but it affects the tourism industry as well," he said.