"National polling" refers to the process of gathering opinions and feedback from people across an entire country. It helps to understand the overall preferences, opinions, and trends of the population as a whole. Full definition
Huge swings to the SNP in national polls suggest that even some MPs who must have thought they had a job for life are threatened. (lordashcroftpolls.com)
No reliable national polls on the subject have come out since. (discovermagazine.com)
A new national poll shows school choice continues to be popular with voters nationwide. (empowerms.org)