Big citation needed on who of non-voters support Trump. Most opinion polls that include anyone (not just registered voters) still have Trump's approval at 40ish

Big citation needed on who of non-voters support Trump. Most opinion polls that include anyone (not just registered voters) still have Trump's approval at 40ish percent the past 4 years. If you say all polling is invalid/not representative, where are you getting your numbers from? And again, what makes this overwhelming?