Confronted with poor primary performances in states with higher populations of low-income people, Democratic presidential candidate Bernie SandersBernie SandersOcasio-Cortez says she doesn't plan on 'staying in the House forever' What a Biden administration should look like Ocasio-Cortez: 'Trump is the racist visionary, but McConnell gets the job done' MORE said his losses are due to those people not voting. 

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"Well, because poor people don't vote. I mean, that's just a fact. That's a sad reality of American society," Sanders said in an interview with MSNBC's "Meet the Press" set to air in full on Sunday. 

Host Chuck Todd had asked about rival Hillary ClintonHillary Diane Rodham ClintonHillary Clinton responds to Chrissy Teigen tweet: 'I love you back' Trump fights for battleground Arizona Biden leads Trump by 12 in new national poll MORE's victory in 16 of 17 primary contests in states with the highest levels of income inequality. 

“If we can significantly increase voter turnout so that low-income people and working people and young people participated in the political process, if we got a voter turnout of 75 percent, this country would be radically transformed,” Sanders said. 

Sanders has often pinned his success rate to voter turnout. But he has lost among Democratic voters with household incomes below $50,000, 55 percent to 44 percent, across primaries where network exit polls have been conducted, according to The Washington Post.