58% of people in Northern Ireland want to stay in single market and customs union after Brexit An opinion poll of people in Northern Ireland shows nearly 58% want the north to stay in the single market and customs union after Brexit. Almost 48% favoured joining a united Ireland in the case of a 'Hard Brexit'. The Lucidtalk opinion poll, was commissioned by the European United Left and Nordic Green Left groups in the European parliament. 75% believed EU standards should be maintained in the north post-Brexit. 58% of people in Northern Ireland want to stay in single market and customs union after Brexit The time is right for a United Ireland, we must push not for No Borders but for a referendum on a United Ireland, if Leo can get the North to hold a referendum and we see a United Ireland I will sign up to become a Fine Gael member and vote for them for the rest of my life. This is our chance!