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Documented phenomenon

Media ownership concentrationAtlas

Media & Information · Media ownership & control

Research literature reports increasing ownership concentration across multiple communications sectors, including print, online media, advertising, and telecommunications. Critics argue that media ownership concentration can undermine a more democratic distribution of communicative power by limiting speakers’ ability to reach audiences.

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Timeline

  1. 1983 · eventBaseline period cited for rising U.S. TV ownership concentration
  2. 1983 · document_releaseCommunication Research Trends issue on concentration of media ownership
  3. 1984 · investigationStart of long-run U.S. media ownership and concentration tracking period
  4. 1992 · eventVery limited head-to-head choice among U.S. cable operators reported
  5. 1995 · eventEnd of cited period of rising top-four TV revenue share
  6. 1995 · eventWestinghouse acquisition of CBS cited as further concentrating ownership
  7. 2018 · eventEarlier Albania media-audience share baseline for top owner families
  8. 2020 · mutationMedia Pluralism Monitor redesign to better monitor digital risks
  9. 2023 · investigationBIRN and Global Media Registry Media Ownership Monitor on Albania
  10. 2023 · document_releaseUpdated encyclopedia treatment of media concentration and First Amendment issues
  11. 2025 · document_releaseGMICP report on U.S. media ownership and concentration through 2023

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