Leo Varadkar (Dublin West, Fine Gael) | Oireachtas source

By the way, these rules date from the 1960s rather than from 2012. A return to the pre-2012 situation would not correct this anomaly because the pre-2012 rules were unfair as well. There were people getting full pensions after working for just ten years while people who had worked for 30 years got 98% of their pensions rather than full pensions.

See this speech in context