TIER may refer to:

  • Taiwan Institute of Economic Research, one of two major economic research institutes in Taiwan

Tier may refer to:

  • a layer or ranking or classification-group in any real or imagined hierarchy
    • a layer in a multitiered software architecture
    • tier (emission standard), one of a set of standards in the United States for vehicle emissions
    • data center tiers, availability levels (called tiers) of data centers in a thorough, quantifiable manner
    • A level in a sports league system
  • A group of cable networks offered bundled together to potential subscribers, rather than separately
  • Tier (song), by German band Rammstein

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