What Personal Information Do Data Brokers Actually Sell?
Key takeaways
- Broker profiles may contain identifiers, contact details, locations, and inferred or categorized attributes, but exact fields differ.
- Do not assume that sensitive categories are held or sold about every individual without evidence from the operator.
- Review the actual profile and privacy notice rather than repeating broad market claims as personal facts.
- A profile opt-out addresses a broker's display or processing under its process, not every downstream use.
The Breadth of Data Being Sold
Basic identifying information, your full name, date of birth, current and past addresses, phone numbers, and email addresses, is just the starting point of what data brokers compile and sell. Beyond these basics, data brokers maintain categories of data that most people would be surprised to learn are commercially available about them.
Financial data categories include estimated income, net worth estimates, credit score ranges, bankruptcy filings, property ownership values, and investment interests. This financial profiling is used by lenders, insurers, and financial services marketers to identify and price products for specific consumer segments.
Health, Lifestyle, and Behavioural Data
Some of the most sensitive data sold by brokers relates to health and lifestyle. Health-related interest categories, inferred from purchase histories, browser behaviour, and app usage, can include chronic condition indicators, medication purchases, fitness behaviour, and dietary preferences. This data is sold to pharmaceutical companies, health insurers, and marketers of health-related products.
Political affiliation data, sourced from voter registration files and donation records, is sold to political campaigns and advocacy organisations. Religious affiliation indicators, parenting status, relationship status, and detailed hobby and interest profiles are used by consumer brands for highly targeted advertising. The aggregation of these categories creates a comprehensive picture of your life that goes far beyond what any single public source would reveal.
- Health interest indicators and chronic condition inference
- Political affiliation and donation history
- Religious and cultural affiliation markers
- Detailed hobby, interest, and lifestyle categories
- Purchase behaviour and consumer segment classifications
- Predictive scores for likelihood of specific purchases or behaviours
Who Buys This Data and Why It Matters
Data broker clients span almost every industry: financial services companies use creditworthiness and wealth data for product targeting; insurance companies use health and behaviour data for underwriting; employers sometimes use background check data for hiring decisions; political campaigns use voter and behaviour data for micro-targeting; and stalkers, harassers, and scammers use people-search data to locate and profile victims.
The commercial uses of this data are often legitimate from a business perspective while being highly objectionable from a privacy perspective. Understanding what is being sold about you, and to whom, is the basis for making informed decisions about data broker opt-outs and ongoing privacy management.
What information might a broker profile contain?
Depending on the company and source, a profile can include names, address history, phone numbers, age estimates, relatives, or interest categories. The exact information available varies by broker, purpose, and person.
Claims about income, health interests, or political views need particular caution. Some profiles may use inferred categories, but the presence and accuracy of a sensitive attribute must not be assumed without direct evidence.
How do buyers use different information categories?
Businesses can use personal data for activities such as marketing, analytics, or identity matching, depending on the product and applicable rules. A consumer-facing people-search page is not necessarily identical to data sold in a business product.
Read the broker's own disclosures to understand its stated products and purposes. Avoid treating a public profile as proof that every displayed or inferred item was sold to a particular buyer.
How can you find what a specific broker shows?
Search the site using the minimum details needed and inspect the actual profile before making claims about your record. Save the URL and visible categories securely.
If a field is wrong, use the operator's correction or suppression channel and identify the mismatch. Do not purchase an expanded report solely to reveal more personal information unless you have a clear reason and understand the terms.
What can you do about the data?
Use an applicable privacy right or site opt-out for the broker profile, and consider separate requests to other companies. If you are in a covered jurisdiction, consult official regulator guidance for rights and exceptions.
A request may reduce the profile's public display but does not prove that all copies or source records are deleted. Verify the outcome and keep realistic expectations about separate systems.
At a glance
| Category | Possible example | Caution |
|---|---|---|
| Direct identifiers | Name, address, phone | Confirm the field is actually displayed |
| Relationships | Relatives or household links | May be inaccurate or outdated |
| Location history | Current or former residences | Source and date may differ |
| Inferences | Interests or broad categories | Do not treat estimates as verified facts |
Review a broker's information about you
- Identify the operator and read its privacy disclosure.
- Search only with enough detail to locate your profile.
- Record actual displayed fields and the direct URL.
- Use correction or opt-out channels for inaccurate or sensitive data.
- Check other operators separately and verify each outcome.
Frequently asked questions
Does every broker hold my health or political data?
No. Do not assume sensitive categories without evidence from a specific operator.
Does a public profile prove a data sale?
No. A visible page does not establish every buyer or transaction.
Will deleting a profile erase all copies?
Not necessarily; source records and other operators may remain.
Sources
Related privacy guides
- check what appears publicly
Review actual broker listings rather than assuming profile contents.
- see broker-site scope
Check whether a specific profile operator is in scope.
- understand removal requests
Learn how requests differ from source-level data changes.
- review broker-removal plans
Compare assistance if multiple profiles require follow-up.
More on Data Brokers
- What Are Data Brokers and Why Should You Care in 2026?
Data brokers collect, package, and sell your personal information to anyone willing to pay. There are over 4,000 data broker companies operating globally, and most people have no idea their data is being traded. Here's exactly how they work and what you can do about it.
- 5-Minute Privacy Tips to Reduce Your Digital Footprint
Simple, actionable steps you can take right now to limit the amount of personal data floating around online. From browser settings to social media tweaks, these quick wins make a real difference.
- DIY Opt-Out: How to Remove Yourself from the Top 10 Data Brokers
Step-by-step instructions for manually opting out of the biggest people-search sites including Spokeo, BeenVerified, and WhitePages. Fair warning: it takes hours and they'll re-add you within months.
About the author
Investigations & Data Privacy. Jonah covers data-broker practices, the circulation of personal information, and practical ways people can understand and reduce their online exposure.