The weekend. Social security. Health insurance. What do these things have in common? They're all thanks to the advocacy of labor unions. Political economist Margaret Levi explains how these organizations forge equality and protect worker rights, calling for a 21st-century revival of the labor movement in order to build a more equitable future. If you love watching TED Talks like this one, become a TED Member to support our mission of spreading ideas: http://ted.com/membership Follow TED! Twitter: http://twitter.com/TEDTalks Instagram: https://www.instagram.com/ted Facebook: http://facebook.com/TED LinkedIn: https://www.linkedin.com/company/ted-conferences TikTok: https://www.tiktok.com/@tedtoks The TED Talks channel features talks, performances and original series from the world's leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit http://TED.com/ to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Watch more: https://go.ted.com/margaretlevi https://www.youtube.com/watch?v=tz-DaaAKriE TED's videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy (https://www.ted.com/about/our-organization/our-policies-terms/ted-talks-usage-policy). For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at https://media-requests.ted.com/