Per the 2011 census of Ireland:
Of the 1.77 million who indicated they could speak Irish, 77,185 said they speak it daily outside the education system. A further 110,642 said they spoke it weekly, while 613,236 said they spoke it less often. One in four said they never spoke Irish.
The numbers speaking Irish on a daily basis outside the education system increased by 5,037 persons since 2006 from 72,148 to 77,185; the numbers speaking weekly showed an increase of 7,781 persons, while those speaking Irish less often showed the largest increase of 27,139
The above text is a direct quote from page 12 of the “This is Ireland” report produced by the Central Statistics Office of Ireland on 29 March 2012. Source