ruling and opposition parties; parties in and out of power
Refers collectively to both the ruling party/coalition and the opposition parties, often in the context of political negotiations, debates, or comparisons.
The ruling and opposition parties discussed the budget proposal.
The conflict between the ruling and opposition parties is deepening.
The ruling and opposition parties are at odds over this bill.
The ruling and opposition parties agreed on the budget bill.
The ruling and opposition parties discussed reform of the election system.