evidence: A 2021 poll conducted in Northern Ireland found that 51% supported a referendum on a United Ireland within the next five years with 44% against. Critically, the survey also showed that among under the age of 45, 47% support Irish reunification versus 46% who support remaining in the union. [...] By 2031, it is estimated there will be a massive demographic shift in Northern Ireland with Catholics at 50 percent and Protestants at 38 percent, with 12 percent proclaiming neither religion. This data suggests support for a United Ireland will grow in the future. [...] A 2021 poll conducted in Northern Ireland for the Sunday Times newspaper found that 42.3% of voters favour a United Ireland compared to 46.8% of voters against. 10.7% were undecided. The same poll found that 51% supported a referendum on a United Ireland within the next five years with 44% against.