Kammala jumla mai zuwa: Tun daga ƙarshen karni na 20, ra'ayoyi daban-daban game da matsayin tsarin mulki na ƙasashe a cikin Burtaniya sun zama babban batun a Scotland, Arewacin Ireland, kuma zuwa ƙarami a Wales. Jam'iyyar Scottish National Party da ke neman 'yancin kai ta fara zama jam'iyyar da ke mulkin majalisar dokokin Scotland a 2007, kuma ta sami rinjaye mafi yawan kujeru a zaben majalisar dokokin Scotland na 2011. Wannan ya haifar da
kuri'ar raba gardama kan 'yancin Scottish a cikin 2014, inda aka tambayi masu jefa kuri'a: "Shin Scotland ta zama ƙasa mai zaman kanta?" 44.7% na masu jefa kuri'a sun amsa "Ee" kuma 55.3% sun amsa "A'a", tare da rikodin masu jefa kuri'a na 84.5%.