Population reports count graded submissions, not cards in existence. Read them for what they are and they become the most useful data in the high-end market.
Key takeaways
- A population report counts how many copies a grading company has graded, at each grade, so far.
- It is not a count of how many exist. Ungraded copies are invisible to it.
- Populations only ever grow, and they grow fastest when prices rise and people submit more.
- Compare the top-grade population against the total graded population to judge condition scarcity.
- Each grading company has its own separate report; grades and populations are not interchangeable between them.
At the top of the market, scarcity claims decide prices. Population reports published by PSA and CGC are the only broadly available quantitative source on graded scarcity — and they are routinely misread as a census of the cards themselves.
What the numbers actually mean
- Total population: the number of that card the company has graded across all grades.
- Grade distribution: how those copies split across the scale, which is where condition scarcity shows.
- Population at the top grade: the number that usually drives the headline price.
- Nothing in the report tells you how many copies were printed, sit ungraded, or were destroyed.
How to read one properly
- Look at the whole distribution, not just the top grade.
- Work out what proportion of graded copies achieved the top grade — a low proportion means genuine condition scarcity.
- Check the same card at other grading companies before concluding anything.
- Consider how much ungraded supply plausibly exists; a heavily opened modern set has a lot.
- Remember the number will be higher next year. Populations do not shrink.
Where populations mislead
- Rising prices pull ungraded copies into submission, so a low population can inflate quickly.
- Cards can be resubmitted and regraded, which shifts numbers between grades.
- A tiny population may mean the card is scarce, or simply that nobody bothers grading it.
- Cross-company comparisons imply an equivalence between scales that does not really exist.
Using the data well
- Record the population and the date whenever you buy at a scarcity-based price.
- Prefer cards whose value rests on demand and desirability as well as population.
- Treat sudden population jumps as a reason to re-examine a price, not to panic.
- State populations with their source and date when you sell. It is more persuasive than adjectives.
Common questions
- What is a population report in card collecting?
- It is a grading company's published count of how many copies of a card it has graded, broken down by grade. PSA and CGC each publish their own.
- Does a low population mean a card is rare?
- Not necessarily. It means few copies have been graded by that company. Plenty of ungraded copies may exist, and a low number can simply mean the card is not usually worth grading.
- Can population numbers go down?
- Effectively no. They grow as more cards are submitted, and rising prices accelerate submissions, which is why scarcity based purely on a population figure can erode quickly.
- Are grades from different companies comparable?
- Only loosely. Each company has its own published scale and standards, and its own separate population data, so comparing a number from one directly against another is unreliable.
A video version of this guide is planned for the DeuxyDex channel.
Sources
Prices, pull rates and set details change. Where we could not verify a claim, we left it out.