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Credit scores (FICO) and the credit bureaus
FICO score since 1989· Concept
Fact, law or dataA rule, statute, definition or measured number.
A credit score is a three-digit number, usually on FICO's 300-to-850 scale, estimating how likely a borrower is to repay.
See it on the Money & Finance map →How it works
Three private bureaus, Equifax, Experian and TransUnion, collect payment records from lenders. FICO's formula weighs payment history (35%), amounts owed (30%), length of history (15%), new credit (10%) and credit mix (10%). Lenders use the score to approve loans and set rates. VantageScore, created by the three bureaus in 2006, is the main rival. The Fair Credit Reporting Act of 1970, expanded in 2003, lets consumers dispute errors and see their reports free at AnnualCreditReport.com.
Why it matters
A gap of 100 points can move a loan's rate by a point or more, worth tens of thousands of dollars over a mortgage's life.
Facts, rules and data
FICO publishes its weightings; the CFPB and FTC supervise the bureaus under the Fair Credit Reporting Act. An FTC study released in 2013 found one in five consumers had an error on a report.
Debates and risks
Critics argue scores entrench racial and income gaps; whether rent, utility and 'buy now, pay later' records should count is still being worked out.
Connections (3)
▸Consumer credit: credit cards, auto and student loans is priced using Credit scores (FICO) and the credit bureausFact, law or data
The connection
Lenders pull a score at application to decide approval, credit limit and rate; higher scores get lower rates, a practice called risk-based pricing. Scores replaced most loan-officer judgment, making credit faster and more uniform, and let card issuers mail offers to millions of pre-screened people.
When and why
Fair Isaac built custom scorecards from 1958; the general-purpose FICO score arrived in 1989 and spread across card and auto lending in the 1990s.
How we know
A 2011 rule requires lenders to tell borrowers when a score led to worse terms; issuers' rate tables step rates by score band.
Debates and risks
Whether scores treat thin-file and minority borrowers fairly, and whether rent, utility and 'buy now, pay later' records should count, remain debated.
▸Credit scores (FICO) and the credit bureaus help set the rate on Mortgages and the 30-year fixed-rate loanFact, law or data
The connection
Fannie Mae and Freddie Mac set price add-ons by score and down payment, so a borrower near 620, the usual minimum, can pay a point or more above one at 760 or better. On a $400,000 loan, one point is about $4,000 a year in interest at the start.
When and why
Freddie Mac and Fannie Mae built credit scores into their underwriting in 1995; in July 2025 the FHFA allowed VantageScore 4.0 alongside classic FICO.
How we know
Fannie Mae's published loan-level price adjustment grid; Freddie Mac's 1995 lender letters; the FHFA's 2025 announcement.
Debates and risks
Whether new scoring models change who qualifies, and whether FICO's steep fee increases on mortgage scores reflect market power, are open questions.
▸Hard-money loans: fast, costly, asset-based private loans care little about Credit scores (FICO) and the credit bureausFact, law or data
The connection
A bank checks the borrower's credit score, tax returns and cash flow. A hard-money lender asks mainly whether the property, sold quickly, would repay the loan. So owners with weak credit, a recent default or messy finances can still borrow if they have enough equity and accept the cost.
When and why
In US private real estate lending, where business-purpose loans fall outside most consumer credit rules.
How we know
Lender underwriting guidelines and marketing; consumer rules such as Dodd–Frank's ability-to-repay test do not apply to business-purpose loans.
Debates and risks
How often equity-only lending ends in foreclosure is not systematically tracked.