Be in a/the minority
Definition 1 of 1
Pro Tip 1/3Numerical Context
Used when numbers matter; being less than half of a group, quantitatively. 
At the party, vegetarians were in the minority.
Pro Tip 2/3Social Dynamics
Highlights a group's smaller presence in social or cultural contexts. 
People without smartphones are in the minority in today's society.
Pro Tip 3/3Opinion Differences
Points out when few people share a certain opinion or viewpoint. 
In the debate, those against the proposal were in the minority.