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HomeResearchThe price index null result

Cost of living indexes do not predict what a funeral costs

Almost every page that tells you what something costs in your city is built the same way. Take a national survey median, multiply it by a regional price index, publish the answer. We ran that method on this site for eight days. Then we tested it against 12,244 measured funeral prices. The correlation between a state's price index and what its funeral homes actually charge is -0.111, and the 95% interval runs -0.395 to 0.192. At the very best end of that range the index would explain 4% of the difference between states.

The finding

The Bureau of Economic Analysis publishes Regional Price Parities, an index of how expensive a state or metro is against a national 100. It is the standard tool for turning a national figure into a local one, and it is what this site used to spread the National Funeral Directors Association's divisional medians across the states.

Across the 44 states where we hold 40 or more measured direct cremation prices, the correlation between a state's services price parity and the median price its funeral homes actually charge is -0.111 by Pearson and -0.026 by Spearman.

Forty four states is not a large sample for a correlation, so the honest statement is a bound rather than a zero. The 95% confidence interval runs -0.395 to 0.192. We cannot prove there is no relationship at all. We can rule out a positive one stronger than 0.192, which is an index explaining at most 4% of the variation between states. The method assumes it explains most of it.

The index is not broken. Services parity against housing parity, across all 51 states, is 0.71, which is what you would expect from an index whose components move together. The parities measure something real. They simply do not reach the price of a funeral.

What was tested

Direct cremation, because it is the one funeral service that is genuinely the same product everywhere. No viewing, no ceremony, no casket, no choice of anything. If a price index can localise any funeral price, it can localise this one.

The prices come from 19,805 operating US funeral homes in our directory, of which 12,244 carry a direct cremation price and 11,747 carry a basic services fee. Closed and unconfirmed licences are excluded throughout. For each state we take the median of its measured prices and compare it with that state's BEA services parity. A state needs 40 prices to be included, which leaves 44 of them.

For scale, the national picture is sound and that matters. The median of all 12,244 measured prices is $1,995 against NFDA's national median of $2,202. Two independent measurements of the same thing, four percent apart. The survey is good. It is the spreading that fails.

Trying to break it

A null result is only worth publishing if you have tried to kill it. The obvious objection is that our directory over-samples cheap cremation specialists in some states and not others, which would manufacture exactly this pattern. So the test was rerun inside each source separately, inside the verified tier alone, and with the sample floor raised.

SubsetStatesPearson r95% intervalSpearman rho
Every source, 40 prices or more44-0.111-0.395 to 0.192-0.026
Every source, 100 prices or more350.038-0.299 to 0.3660.029
Parting directory only39-0.213-0.495 to 0.11-0.119
Funeral Consumers Alliance survey only180.104-0.382 to 0.5440.063
Verified licences only41-0.02-0.326 to 0.2890.005
Control, parity against housing parity510.71

The Funeral Consumers Alliance row matters most. That is a consumer advocacy organisation's own price survey, collected independently of any directory and with no commercial interest in the answer. It returns the same nothing.

How wrong it got

A correlation of zero does not mean the errors are small. It means they are unrelated to the thing being corrected for. Against the method this site used to run, the model overstated Oregon by 73 percent and understated North Dakota by 34 percent.

StateHomes pricedIndex model saidHomes actually charge
Oregon112$2,210$1,278
California724$2,260$1,565
Washington234$2,290$1,598
Florida577$2,230$1,595
Colorado190$2,190$1,570
Idaho44$2,180$1,690
South Dakota82$2,020$2,550
Connecticut118$2,260$2,876
Minnesota298$2,210$2,820
Iowa73$2,050$2,720
Delaware43$2,230$2,970
North Dakota46$2,010$2,695

The pattern in that table is the finding in miniature. The states an index calls expensive, the west coast and the north east, are where a direct cremation is cheapest. The states it calls cheap, the upper midwest and the plains, are where it costs most.

What does predict a price

Another price from the same firm. Across 42 states, the median basic services fee and the median direct cremation price correlate at 0.815. A funeral home that charges more for one charges more for the other, and that holds far more tightly than anything about the place it sits in.

Which is the practical lesson underneath the statistics. Price is a property of the business, not of the postcode. In Cleveland the same direct cremation runs from $695 to $3,950, a spread of 5.7 times inside one metropolitan area. No index of local costs can see a gap like that, because the gap is not about local costs. The full spread study is here.

The direction is backwards too

Cost of living indexes rate metropolitan areas as expensive. For direct cremation they are cheaper, and the largest are cheapest of all, which is the opposite of what the method assumes. Competition and volume beat rent.

SourceInside a metroOutside one
Every source$1,840 n=3,704$2,036 n=8,540
Parting directory only$1,800 n=2,906$1,995 n=6,763
Funeral Consumers Alliance survey only$1,950 n=769$2,300 n=1,691

It holds in the Funeral Consumers Alliance survey on its own, $1,950 inside a metro against $2,300 outside, so it is a fact about the market rather than an artefact of one directory.

What we changed on this site

This page went up after the change, not before it. On 9 September 2026 every funeral home figure on burialestimator.com stopped going through a price index. Direct cremation is now the measured median of the homes we hold prices for in that metro or state, with no scaling of any kind, and each page says how many homes it came from. The rest of the funeral home charges are still anchored to the NFDA divisional median, but spread by the basic services fees local homes publish themselves.

Cemetery lines are the one exception and still use a land price index, because we hold no measured plot, vault or headstone prices anywhere, and the price of land is the one thing a housing parity is genuinely built to measure. When we can measure those, they will change too.

If you publish cost by city pages in any category, the test is cheap and you should run it. Collect real prices in enough places, take the median per place, correlate against whatever index you are multiplying by. If it comes back near zero, the index is adding noise and telling your readers something confident and wrong.

What this cannot tell you

Citing this, and the data

Free to quote and republish with attribution and a link. The state table behind it is published as a file so you do not have to take any of this on trust, price-index-null.csv, one row per state with the measured median, the sample size, the BEA parity and what the old model said.

Burial Estimator, “Cost of living indexes do not predict what a funeral costs”, September 2026. Analysis of 12,244 measured direct cremation prices at US funeral homes against BEA Regional Price Parities. https://burialestimator.com/research/price-index-null

Researchers and journalists are welcome to the full price file behind this, with the source and date attached to every individual figure. There is no charge and no conditions beyond attribution.

Common questions

Does this mean funeral prices are the same everywhere?

No, the opposite. They vary enormously, from $1,278 in Oregon to $2,695 in North Dakota for the same direct cremation, and by 5.7 times between two homes in one city. The finding is that the variation does not follow the local cost of living, so a cost of living index cannot recover it.

Is this just a problem with your data?

It was the first thing we tested. The result is the same inside the Parting directory alone (-0.213), inside the independent Funeral Consumers Alliance survey alone (0.104), inside the verified licence tier alone (-0.02), and with the sample floor raised to 100 prices per state (0.038). The control also passes, services parity against housing parity is 0.71, so the index data is sound.

Are the BEA parities wrong?

No. They measure what they say they measure, the general price level of goods, rents and services in a place. The mistake is assuming a funeral tracks it. Funeral pricing is set firm by firm in a market where most families never compare, so it is far more dispersed within a place than it is between places.

How can I check this myself?

Every figure comes from a generated data file in the site's source, produced by scripts/mkparitynull.ts, and the price for each individual funeral home is published on its own page in our directory with the source and date it came from. Take the medians, pull the BEA SARPP table, and run the correlation. It takes about ten minutes.

Sources cited

  1. BEA Regional Price Parities by state, table SARPP
  2. NFDA General Price List Survey
  3. Funeral Consumers Alliance price surveys
  4. This site’s funeral home directory, every price with its own source and date

More research from Burial Estimator · The cremation price spread study