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What Affects Your Credit Score?

Credit scores summarize patterns in your credit reports. Most general-purpose models emphasize payment history and amounts owed / utilization, plus length of history, mix, and new credit — with weights that shift by model and individual file.

There is no public one-size-fits-all percentage for every consumer, but the categories below explain what usually moves numbers.

Key takeaways

  • Payment history and utilization are heavily weighted in many models.
  • Derogatories can matter a lot; accurate items generally remain until they age off under law.
  • Behaviors that improve underlying report data tend to help scores over time — not on fixed schedules.
  • Scores do not use income, employment status, or protected characteristics.

How credit scores are calculated — the general framework

FICO publishes approximate category weights for widely discussed models — for example, rough shares such as payment history ~35%, amounts owed ~30%, length ~15%, new credit ~10%, and credit mix ~10% for classic FICO 8–style education. Your file can shift effective weights; VantageScore describes influential factors without identical percentage tables.

Payment history

On-time payments across reported accounts are the backbone of most scores. Severe negatives like collections or charge-offs can hurt while they are reported accurately; impact often fades with time and newer positive data, but timelines are not promised here.

Credit utilization

Utilization compares reported revolving balances to limits. Because it reflects currently reported data, it can change when issuers post new balances — faster than multi-year history factors.

Explore directional math (not lender predictions) with our credit utilization calculator.

Length of credit history

Older accounts and thicker history generally help relative to thin files, all else equal. Closing old cards can change average age and available limit — consider the tradeoffs.

Credit mix

Showing responsible handling of both revolving and installment accounts may help some files a little. Opening debt you do not need just to “game mix” can backfire via inquiries and balances.

New credit and hard inquiries

Applications generate hard inquiries. One inquiry is usually modest; clusters of inquiries can suggest higher risk to some models, though rate-shopping windows differ by product and model rules.

Derogatory information

Major delinquencies, public records reported under current rules, and similar items can drag scores down while they are accurate and within reporting periods.

Accurate negative information cannot be removed simply because it lowers a score.

If something is inaccurate, incomplete, or unverifiable, consider a factual dispute under the FCRA — see how to dispute credit report errors.

What scoring models do not consider

Under the Equal Credit Opportunity Act, credit scoring systems used for certain credit decisions cannot factor in race, color, religion, national origin, sex or marital status, age (in specific prohibited ways), or receipt of public assistance. Regulation B implements these protections — review official materials for full legal text.

Scores also do not know your income, savings, or utility-like bills that are not on standard credit reports.

Related guides and next steps

Tools

Frequently asked questions

Does checking my credit score hurt it?
Checking your own score is typically a soft inquiry and does not lower scores. Hard inquiries from credit applications may have a modest, often temporary effect.
How much will a late payment affect my score?
Impact depends on the full file, severity and recency of the late, and the model. There is no honest universal point estimate.
Do all credit card balances affect utilization equally?
Many models look at both total revolving utilization and per-card utilization. A single maxed-out card can hurt even if overall utilization looks moderate.
Does closing a credit card hurt your score?
Closing can change utilization and average account age depending on your file. Think through limits and age before closing old, positive accounts.

Sources

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