How long should a resume be?
The honest answer is that length is a symptom. Treating it as the cause is why the advice never quite works.
Search this question and you will be handed a number within seconds. One page. One page under ten years, two after. Two pages, never three. The confidence is remarkable given that none of these are supported by anything you would recognise as evidence.
This page is not going to give you a different number. It is going to argue that the number is the wrong thing to be deciding.
What is actually known
Screening is fast. The most-cited figure — around seven seconds for an initial scan — comes from a 2018 eye-tracking study run by a commercial job board. It is a real study with a real method, and it is also marketing for the company that ran it. Treat the specific number as indicative rather than precise. The direction is not in dispute by anyone who has screened a pile of applications: the first pass is quick and it is looking for reasons to stop.
No public evidence supports a hard page limit. There is no study showing that two pages underperform one at equivalent content quality, and no applicant tracking system rejects on page count — a claim repeated often enough that it deserves a flat contradiction. Systems parse the whole document.
Padding is visible. This is the one that holds up, and it is the one the page-count rules are clumsily reaching for. Readers notice filler quickly, and filler reads as a lack of judgement about your own work — which is a worse signal than any length.
So: no rule, one real constraint.
The variable that matters
Not length. Density of relevant content.
A resume works when a reader scanning it finds something they care about wherever they land. It fails when they hit a patch of nothing — a responsibilities paragraph, a course you took in 2014, a skills section listing “Microsoft Word”. The failure is local. It happens at the dull patch, not at a page boundary.
This reframes the decision usefully. Instead of “is this too long”, ask:
Is there anything on this page that a reader would be indifferent to?
If yes, cut that — regardless of what the total then comes to. If no, the length is correct, whether it landed on one page or two.
Where the conventional advice comes from
The page rules are a proxy for density, invented because density is hard to explain and page counts are easy to enforce.
They work about as well as proxies usually do. “One page early in your career” is decent advice because most people three years in genuinely do not have two pages of material anyone wants. “Two pages after ten years” is decent because most people at that point genuinely do. Both are describing the typical case and then stating it as a rule, which is where it goes wrong — for the person with an unusual career, following the rule means either padding or amputating.
The specific failure worth naming: someone with twelve years of substantial work compressing onto one page because a website told them to. What gets cut is never the weakest material. It is the oldest, which is often the most senior-sounding, and the detail that made a recent achievement checkable. The page is now shorter and worse.
Practical positions
No work experience, or under about three years: one page, almost certainly, because that is what you have. If you are struggling to fill it, the answer is not a larger font — see the first-resume example for what legitimately counts.
Three to ten years: one page if it fits without compression, two if the second page is as strong as the first. A second page containing one job and a skills list is worse than a full first page alone.
Ten years and up: two pages is normal and nobody is counting. Keep the early career to job titles, employers and dates; the detail belongs to the last decade.
Academic or scientific roles: a CV is a different document with different conventions — publications, grants, teaching — and none of the above applies.
The test to run instead
Print it, or read it at 50% zoom so you cannot read the words. Then ask, for each block of text: do I know why this is here?
Anything you hesitate over is the dull patch. Cut it and see whether the page is worse. Usually it is better, and the length question answers itself.
How to phrase what remains so it earns its place — outcomes rather than duties, and which standard lines to delete — is worked through in the customer service resume example.