The question of Northern Ireland's sovereignty and political landscape is a complex and nuanced one.

As a constituent country of the United Kingdom, Northern Ireland has remained under British rule since the partition of Ireland in 1921.

However, the nature of this relationship has evolved over the decades, with shifting dynamics and ongoing debates around self-determination and the potential for reunification with the Republic of Ireland.

Northern Ireland's status is governed by the Good Friday Agreement, a landmark peace accord signed in 1998 that brought an end to the decades-long conflict known as the Troubles. - https://irelandfocusguide.com/blog/is-northern-ireland-still-under-british-rule/?unique_id_4vofcxq8

"Northern Ireland's Complicated Sovereignty: An Insightful Analysis"