Forms · Glossary

What is a demographic question?

A demographic question asks about the respondent themselves rather than about the subject of the survey: age, gender, location, employment, education, income or cultural background. The answers are used to break results into groups, so they earn their place only when a comparison between those groups will actually change something.

These are the questions most likely to make somebody close a survey, and the ones most often included out of habit. Every one of them should have a named analysis waiting for it before it goes on the form.

Nuwan Madhusanka · Co-founder

6 min read · Published 12 September 2026

Which demographics to ask, and how
Item	Ask when	Wording note
Age	Results are likely to differ by life stage	Use bands, not a birth date, unless exact age is needed
Gender	A genuine comparison is planned	Use a published standard with a self describe option
Location	Service, climate or regulation differs by place	Postcode or state is usually enough
Income	Affordability is part of the question	Broad bands, optional, and late in the form
Cultural background	Equity of access is being measured	Follow the statistical standard for the country
Employment	Working patterns affect the subject	Keep the categories few and plain
Tenure	Internal surveys comparing new and long serving staff	Bands, wide enough to protect small teams

Why they go at the end

Two reasons, and both are well established. Demographic questions feel intrusive before any rapport exists, so opening with them raises abandonment at exactly the point where you have collected nothing. And they are boring, which is a poor way to start any survey. Placed at the end, the respondent has already invested effort and is more likely to finish, and anybody who drops out at that point has still given you the substantive answers. The one exception is a screening question that decides eligibility, which has to come first by definition. Keep those to the minimum and phrase them so the person understands why they are being asked, since an intrusive opening question with no visible purpose is the single most common reason a survey is abandoned in the first ten seconds.

Only ask what you will use

Every demographic question costs completion and carries a privacy obligation, so each one needs a reason. Before adding a question, write the sentence you expect to put in the report: results differed between metropolitan and regional respondents in the following way. If that sentence cannot be written, the question is being asked out of habit. This matters more for sensitive attributes, since collecting information about health, cultural background or sexual orientation brings obligations under privacy law that ordinary contact details do not, and collecting it with no purpose is difficult to justify if anybody asks. Small samples make the problem worse: a breakdown by six categories on two hundred responses produces cells too small to report anyway.

Wording that does not exclude people

Use published standards rather than inventing categories. National statistical agencies maintain standard question wordings for gender, cultural and language background and other attributes, and using them has two benefits: the wording has been tested, and the results can be compared with population data. Offer a prefer not to say option on anything sensitive, and a way to self describe where a fixed list cannot cover everybody. Use bands rather than exact figures for age and income, both because people answer bands more readily and because an exact birth date is more identifying than the analysis needs. Where the list has an order, such as education levels, make sure the order is complete and the categories do not overlap.

Anonymity and small groups

A survey described as anonymous stops being anonymous when three demographic questions combine to identify one person, and in a workplace survey that happens fast. Team, tenure band and role together will often single out an individual in a team of eight. The protections are to use wide bands, to drop the questions that are not needed, and to state a reporting threshold in advance, such as no group smaller than five being reported separately. Say that on the form. People answer more honestly when they can see how their answers will be protected, and a workforce that suspects it can be identified will either soften its answers or not respond at all.

Building the section in a form

Demographic questions are usually radio or dropdown fields, with a dropdown once the list passes about six options. Note that dropdown, radio and checkbox fields have no working other option, so a self describe answer needs a separate short text field placed after the choice question. A classic field's description is not shown to the respondent, so any explanation of why the question is being asked belongs in the label or in a paragraph block above the section; on a conversational form the description does render under the question label. Keep every field optional unless the analysis genuinely fails without it.

Saying why you are asking

A single sentence explaining the purpose of a demographic block changes response rates more than any wording choice inside it. People are wary of being profiled and generous when they can see the point, so a line saying these last few questions help us check whether the results differ between groups, and are optional, does real work. Put it above the block rather than inside a field. Keep the promise narrow and keep it true: if the answers will be used to segment a marketing list rather than to analyse the survey, say that instead, because discovering it later costs far more trust than asking honestly would have. Where the survey is internal, add the reporting threshold in the same sentence so staff know a group of three will never appear as a group of three in the results.

Questions people ask

Should demographic questions be required?

Almost never. A forced answer on a sensitive attribute produces either a false answer or an abandoned survey, and both damage the data more than a gap would. The exception is a screening question that decides eligibility, which has to be answered for the survey to proceed and should be worded so the reason is obvious.

How should age be asked?

In bands, chosen to match the comparisons you intend to make and wide enough that each band will hold a reportable number of responses. Asking for a birth date or exact age collects more identifying information than the analysis needs, and people are noticeably more willing to tick a band than to type a number.

Is it legal to ask about ethnicity or health?

Collecting sensitive information is regulated rather than prohibited, and in Australia it generally requires consent and a genuine connection to the organisation's functions. The practical test is whether you can explain, on the form, why it is being collected and what will be done with it. If you cannot, do not collect it.

Where should a screening question go?

At the very start, since it decides whether the rest of the survey applies. Keep it to the minimum needed and avoid making it feel like an interrogation. Conditional logic here is jump rules only, so somebody screened out is routed to an ending rather than having the remaining questions hidden in place.

Do demographics reduce response rates?

They reduce completion when they are numerous, intrusive or placed early. A short optional block at the end costs very little. The larger effect comes from the perceived purpose: people answer readily when they can see why the question is relevant and become suspicious when a feedback form asks for their income with no explanation.

How do I report small groups safely?

Set a minimum group size before you look at the data, commonly five, and combine or suppress anything below it. Decide it in advance so the rule does not look like it was chosen to hide a result. Publishing the rule alongside the findings also reassures the next round of respondents that the protection is real.

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Sources

Written and checked by the OneCraft team. Last checked 12 September 2026.