next in line

next in line

1. The person in a line who is next to be helped or served. I'll help whoever's next in line. Excuse me, but I'm next in line. You'll have to wait your turn.
2. Next in the order of succession to a position of power, immediately after the current position holder. Rumor has it that Margaret is next in line to take over the company after the CEO retires. The birth of the young prince means his uncle is no longer next in line to the throne.
See also: line, next
Farlex Dictionary of Idioms.

next in line

immediately below the present holder of a position in order of succession.
See also: line, next
Farlex Partner Idioms Dictionary
See also:
  • come in(to) line
  • come into line
  • get in(to) line
  • the dotted line
  • get a line on
  • get a line on (someone or something)
  • get a line on someone
  • step out of line
  • hold the line
  • all along the line