e/List of premiers of Ontario by time in office

Information
has gloss	eng: This is a list of Premier of Ontario in order of time served in office as Premier of Ontario as of . The preceding Premier always stays in office during an election campaign, and that time is included in the total. See also List of Ontario political parties by time in office.
lexicalization	eng: List of premiers of Ontario by time in office
instance of	e/Premier of Ontario