Population Reports Explained: How to Use PSA Pop Reports for Card Values

What Is a Population Report?

A population report - commonly called a "pop report" - is a database maintained by grading companies that records exactly how many cards of each type have been graded at each grade level. When PSA grades a 1999 Base Set Charizard as a PSA 10, they add one to that card's PSA 10 population count. The report is updated continuously and is publicly accessible.

PSA's pop report is the most widely referenced because PSA has graded the most cards. BGS and CGC maintain their own population databases as well.

The pop report answers a fundamental question: How many verified copies of this card exist in this condition? That question is central to valuation because scarcity drives price.

Where to Find Population Reports

PSA Pop Report

Available at psacard.com/pop. You can search by sport, brand, year, set name, and card number. The report shows the count of cards graded at each level from PSA 1 through PSA 10, plus the total population across all grades.

BGS Pop Report

Available at beckett.com/grading/pop-report. Similar search functionality, with the additional dimension of subgrade data for some entries.

CGC Pop Report

Available at cgccards.com/census. Younger database (CGC entered cards more recently) so populations are generally lower, which can create perceived rarity that is actually just a smaller sample size.

How to Read a Pop Report

A typical PSA pop report entry looks like this:

Card	1	2	3	4	5	6	7	8	9	10	Total
1999 Base Set Charizard Holo #4	5	12	48	89	210	430	890	2,150	3,800	1,250	8,884

(These numbers are illustrative, not actual current data.)

This tells you:

• Total graded population: 8,884 copies have been submitted and graded
• Distribution by grade: Most copies cluster at PSA 8-9, which is typical for a widely collected vintage card
• PSA 10 count: 1,250 copies - a meaningful number that means PSA 10 copies exist but are not abundant
• Low-grade rarity: Very few PSA 1-2 copies, because people rarely submit destroyed cards for grading (the submission fee does not make sense)

What Pop Numbers Mean for Value

The Scarcity Premium

Cards with low populations in high grades command premiums. If only 3 PSA 10 copies of a card exist in the entire world, that card is extraordinarily scarce in top condition. Collectors who must have the best available copy are competing for an extremely limited supply. This drives prices to multiples of what the same card sells for in PSA 9.

Example scenario:

• Card X has 500 PSA 9 copies and 3 PSA 10 copies
• PSA 9 sells for $500
• PSA 10 sells for $15,000

The 30x multiplier between PSA 9 and PSA 10 exists entirely because of population scarcity. The physical condition difference between those grades is often barely perceptible, but the market treats them as fundamentally different products.

The Saturation Point

Conversely, when PSA 10 populations are high, the scarcity premium diminishes. Modern Pokemon cards printed in enormous quantities can have PSA 10 populations of 10,000 or more. When 10,000 gem-mint copies exist, the PSA 10 premium over raw shrinks because supply is abundant.

This is why you should always check the pop report before deciding to submit a modern card. If there are already 8,000 PSA 10 copies of that card, adding one more will not create meaningful value. The grading fee might not even be recouped in the sale price difference between raw and graded.

Population Trends Over Time

Pop reports only go up - they never decrease. Every new submission adds to the count. A card with 200 PSA 10 copies today will have 300 next year and 400 the year after. The implications:

For vintage cards: Pop growth is slow because the raw supply is finite. Most vintage cards that are going to be graded have already been graded. Populations at high grades may creep up through crossovers and re-grades, but the growth is measured.

For modern cards: Pop growth can be explosive. A new set releases, tens of thousands of packs are opened, and a wave of submissions hits PSA over the following months. A card that had 50 PSA 10s at release might have 5,000 within a year. This is why modern card values often decline after release - increasing supply from ongoing grading erodes the scarcity premium.

The Crossover Effect

"Crossover" refers to cracking a card out of one grading company's slab and resubmitting it to another company (usually PSA). When a BGS 9.5 is cracked and receives a PSA 10, the PSA 10 population increases by one, but the BGS 9.5 population does not decrease. BGS does not know the card has been cracked out - the BGS pop report still counts it.

This means pop reports overstate the total graded population because the same physical card can be counted in multiple company databases simultaneously. For heavily crossed-over cards, the combined PSA+BGS+CGC population is higher than the number of actual graded copies in existence.

The practical impact: when evaluating scarcity, look at the PSA pop report in isolation (since PSA is where most final-destination grading ends up) rather than adding populations across companies.

Gem Rates and What They Reveal

The gem rate is the percentage of total submissions that received a PSA 10 (or equivalent top grade). You can calculate it from the pop report:

Gem Rate = (PSA 10 count / Total graded) x 100

Using the hypothetical Charizard numbers above: 1,250 / 8,884 = 14.1% gem rate

Gem rates reveal:

• How difficult the card is to grade at PSA 10. A 5% gem rate means the card is hard to find in top condition. A 60% gem rate means most copies come out of the pack in gradeable condition.
• Whether submitting for a PSA 10 is realistic. If the gem rate is 3%, you need an exceptional copy. If the gem rate is 50%, the odds are in your favor.
• Potential value implications. Low gem rates generally correlate with higher PSA 10 premiums because fewer copies achieved the top grade.

How to Use Pop Reports in Your Collecting Strategy

Before buying: Check the pop report before paying a premium. If there are 15,000 PSA 10 copies, the premium should be modest. If there are 15, it is justified.

Before submitting: If PSA 10s are plentiful and selling for only marginally more than raw copies, the grading fee may not be justified. If scarce and selling at significant premiums, a strong candidate is worth submitting.

For investments: Pop trends help identify cards with slowing supply growth (vintage with mature populations) versus cards still expanding (modern with ongoing submissions).

Pop Report Limitations

Pop reports are powerful tools but have limitations you should understand:

No destruction tracking. If a graded card is destroyed (fire, water damage, cracked for crossover), the pop report does not decrease. This means pop reports overstate the number of surviving graded copies.

No ownership data. You cannot see who owns the copies. Some pop figures include multiple copies owned by the same collector. A card with 50 PSA 10 copies might have 30 of them in a single person's vault, with only 20 realistically available to the market.

Submission bias. Pop reports reflect what people choose to submit, not the total existing supply. A card with 100 PSA 10 copies might have 10,000 raw copies in comparable condition that no one has bothered to grade. The pop report shows graded supply, not total supply.

Timing lag. PSA's pop report updates as cards are graded, but there can be thousands of cards in the grading pipeline not yet reflected. After a major product release, pop reports lag behind actual submissions by weeks or months.

Using Technology to Make Pop-Informed Decisions

ZeroPop's approach to card evaluation considers both the condition of your card and the broader market context. When you scan a card and receive a grade estimate, you can immediately check that estimate against the pop report to understand what your card would be worth at that grade - and whether submission makes financial sense. Combining condition data with population data is how smart collectors build profitable grading batches.