Ratings of Pollsters

Pollsters are ranked on a scale of 1-5 with 5 being the highest.

Abacus Data: 4

Nanos: 4 (2+ when not in an election)

Leger: 4

Mainstreet Research: 5

Innovative Research: 2+

Liaison Strategies: 4

Angus Reid Institute: 5-

Pallas Data: 4+

Ipsos: 3+

Ekos: 1 (Bias)

Pollara: 3+

Research Co: 4

MQO: 3