Short answer: “publish or perish” describes the pressure on academics to publish regularly in order to keep jobs, win promotion, attract funding, and maintain status in their field.
Publishing is essential to academic life. Research that is not shared cannot easily be evaluated, cited, replicated, or used. The problem begins when publication count becomes a proxy for worth. A system designed to encourage scholarship can turn into a system that rewards speed, volume, and visibility.
Why the pressure exists
Universities need ways to evaluate researchers. Publications, citations, grants, and journal prestige are measurable. They are easier to compare than intellectual courage, teaching quality, mentorship, public service, or long-term originality. Metrics therefore become attractive even when they are incomplete.
For early-career academics, the pressure can be intense. A thin publication record may affect hiring, tenure, grant success, and professional reputation. This can push researchers to divide work into smaller papers, avoid risky questions, or favour topics likely to produce publishable results quickly.
Why it can harm science
Publish or perish culture can encourage exaggerated claims, selective reporting, salami-slicing, rushed peer review, and weak studies. It can also discourage replication, because repeating someone else’s work may not look as impressive as publishing something new.
The solution is not to stop publishing. The solution is to value quality, transparency, usefulness, and integrity more than raw output. Academic culture improves when careful work is rewarded even if it takes longer.