وَمَا يُؤْمِنُ أَكْثَرُهُم بِٱللَّهِ إِلَّا وَهُم مُّشْرِكُونَ
Wa maa yu'minu aksaru hum billaahi illaa wa hum mushrikoon
most of them will only believe in God while also joining others with Him.
And most of them do not believe in God without also ascribing partners to him.