The Irish Passport Service issued a record-breaking 733,000 passports last year, over 60,000 more than in 2015.
The surge in demand is thought to be linked to the Brexit vote in June, as an Irish passport would allow the bearer to move and work freely within Europe after Britain leaves the EU.
But while Ireland's passports are hot property, which are the world's most powerful identity documents?
According to an annual study, German citizens possess the world's most powerful passport, with Britain and the US falling just short of the top spot.
The Republic of Ireland is in joint sixth place.
The ranking by Henley & Partners, a citizenship and planning firm, takes into account how many countries can be visited without applying for a visa.
The world's most powerful passports
The UK topped the 2015 rankings, alongside Germany, but ceded the top spot after several countries relaxed visa restrictions to the latter.
The world's least powerful passport belongs to citizens of Afghanistan, who can visit just 25 countries without a visa.
The world's least powerful passports
"Generally, there was significant movement across the board with only 21 of the 199 countries listed remaining in the same rank," said Henley & Partners.
"No country, however, dropped more than three positions, indicating that overall, visa-free access is improving around the world.
"Four countries in particular made huge gains; Tonga rising 16 spots, Palau by 20, Colombia by 25 and Timor-Leste being the highest climber with an increase of 33 ranks.
"Malta, the EU member country which runs the world’s most successful citizenship-by-investment program has gained visa-free access to another two countries since 2015, making it the 8th most powerful passport in the world. The leading country in the Caribbean, Antigua and Barbuda, meanwhile ranked 30th and its passport-holders may now travel to 134 countries visa-free.
"Portugal, which holds the most attractive residence-by-investment program through its Golden Visa Program, has taken 6th position in the 2016 Index, gaining two countries to total 172 countries its citizens may travel to visa-free.
The global progress in travel freedom looks set to continue for citizens of all countries," it concludes.
Telegraph Media Group Limited