Qatar announced plans to pull out of OPEC on Monday, just days before a crucial meeting between the influential oil cartel and its allies.

Speaking at a news conference, Qatar's Energy Minister Saad al-Kaabi said the country would withdraw from OPEC on January 1, 2019, ending a membership which has stood for more than half-a-century.

The decision comes after Qatar reviewed ways in which it could improve its global standing and plan its long-term strategy.

While Qatar is one of OPEC's smallest oil producers, especially when compared to the likes of de facto leader Saudi Arabia, it is one of the world's largest producers of liquefied natural gas (LNG).

The country's energy minister said Monday that the move represents a "technical and strategic" change, Reuters reported, and was not politically motivated.