Explain an employment gap in one short, factual line placed exactly where the gap appears in the timeline, not in a separate section that flags it as something unusual. A calm sentence stating what the time was spent on, without apologising for it or over-explaining it, draws far less attention than either silence or a paragraph of justification. The goal is a reader glancing at the dates seeing a reasonable explanation immediately, rather than a blank space that invites them to guess.
Where to put the explanation
The explanation belongs inside the work history itself, as its own line item sitting in the correct chronological position, the same way a job or a period of study would sit there. Moving it into a separate note at the bottom of the CV, or leaving it out of the timeline and only explaining it in a cover letter, tends to draw more attention to the gap than addressing it plainly where it naturally falls. A reader scanning dates top to bottom should never have to stop and wonder what happened between two entries.
What to actually write
A gap explanation works best as a short, neutral statement of fact: what the time was for, and roughly how long it lasted. It does not need a justification, an apology, or a detailed account of the circumstances behind it. Genuinely private reasons do not need to be named at all; "personal leave" or "family responsibilities" is a complete, honest answer that closes the question without oversharing. The tone that reads best is the same plain, factual tone the rest of the CV already uses for describing a job, which is worth keeping in mind since a gap line sitting next to a set of otherwise clipped, businesslike bullet points stands out immediately if it suddenly turns conversational or defensive.
A single sentence is almost always enough. Adding a second or third sentence to a gap explanation, even a calm one, tends to read as protesting slightly too much, which can undo the very effect a short, confident line was meant to have.
Illustrative example: one gap, phrased two ways
Over-explained: "Took time off due to a difficult family situation involving my parent's illness, which required my full attention and made it impossible to work during this period, though I stayed current with industry developments throughout."
Calm and factual: "Family caregiving leave, 2022-2023. Returned to the workforce in early 2023."
The second version states what happened and moves on, exactly the register the rest of a CV's entries already use.
When not to explain it at all
A short gap, roughly a few months between roles, rarely needs any explanation at all; the dates alone read as ordinary, especially in a field or a market where a search between jobs commonly takes some weeks. Explaining every short gap can end up drawing attention to something a reader would otherwise have skimmed past without a second thought. The rule of thumb is to explain a gap in proportion to how unusual it would look without an explanation, not as a reflex applied to every space between two dates, and a candidate with several short gaps across a long career is usually better off leaving the shortest ones alone entirely.
If the gap involved active work of its own
A gap spent studying, caregiving, running a personal project, freelancing, or volunteering is not really a gap at all, it is a period that deserves its own entry with the same structure as a job: what it was, roughly how long it ran, and what came out of it. Presenting it that way replaces the question of "what happened here" with an actual answer the reader did not have to ask for, which is the same instinct covered more generally in how to write a resume about giving every part of the timeline a clear, labelled place. A related situation, writing the summary itself around a change in direction rather than a gap in it, is covered in writing a CV summary for a career change.
Write it and move on
A gap explained calmly and placed exactly where it belongs rarely becomes the thing a reader remembers about a CV. Build the timeline in the editor and give the gap the same one clear line every other entry gets.