leader
noun [ C ]
uk/ˈliːdər/ usa company, product, etc. that has higher sales than its competitors:
The brand is market leader in France, where it has a 49% market share.
Compare
follower
a person who is in charge of a group, country, situation, etc.:
Union leaders said they expect up to 40,000 of the 47,000 workers at the plant to stop work.
Business leaders claim that the area has one of the fastest growing local economies in the country.
local/state/world leaders State and local leaders were on hand to discuss the crisis.
See also
brand leader
category leader
cost leader
industry leader
loss leader
market leader
price leader