WASHINGTON — The US is in the midst of an excellent gun-buying increase that exhibits no signal of letting up because the annual variety of firearms manufactured has practically tripled since 2000 and spiked sharply prior to now three years, in response to the primary complete federal tally of gun commerce in twenty years.

The report, launched by the Bureau of Alcohol, Tobacco, Firearms and Explosives on Tuesday — three days after a mass shooting in Buffalo left 10 useless — painted a vivid statistical portrait of a nation arming itself to the tooth. Consumers capitalized on the loosening of gun restrictions by the Supreme Court docket, Congress and Republican-controlled state legislatures.

The info documented a drastic shift in client demand amongst gun house owners that has had profound business, cultural and political implications: Beginning in 2009, Glock-type semiautomatic handguns, bought for private safety, started to outsell rifles, which have been sometimes utilized in looking.

Embedded within the 306-page doc was one other statistic that regulation enforcement officers discover particularly troubling. The police recovered 19,344 privately manufactured firearms, untraceable do-it-yourself weapons often called “ghost weapons,” in 2021, a tenfold enhance since 2016. Legislation enforcement officers say that has contributed to the surge in gun-related killings, especially in California, the place ghost weapons make up as many as half of weapons recovered at crime scenes.

The numbers launched Tuesday revealed an trade on the rise, with annual home gun manufacturing growing from 3.9 million in 2000 to 11.3 million in 2020. A comparatively small share of weapons produced domestically are exported abroad, so these numbers are an correct reflection of gun-buying habits, in response to A.T.F. officers.

At the moment, there are round 400 million guns in america, in response to a 2018 survey performed by the nonpartisan Small Arms Survey, which displays gun possession.

The statistics, culled by A.T.F.’s analysis division from trade, tutorial and authorities specialists, supplied few main surprises. Most of the broader contours and conclusions have been broadly recognized by way of different sources or anecdotally for months, even years.

However the report’s launch nonetheless represents a major victory for advocates of gun management.

Whereas Democrats have failed at their bigger agenda of limiting quick access to firearms, particularly semiautomatic rifles, they’re succeeding in steadily pulling again an informational blackout curtain that has obscured gun commerce information since George W. Bush’s administration.

A 12 months in the past, President Biden ordered the A.T.F., an undersized company with the outsized process of implementing the nation’s gun legal guidelines and rules, to gather and analyze 20 years of gun information after a sequence of mass shootings across the nation.

Within the introduction to the report, Gary M. Restaino, the bureau’s interim director, wrote that the aim of releasing the info was to “forestall diversion of those firearms from the authorized to the unlawful market.”

Throughout a White Home summit about decreasing violence on Tuesday, the deputy lawyer normal, Lisa O. Monaco, underlined an identical level, saying, “We will solely tackle the present rise in violence if we’ve got one of the best out there data and use the best instruments and analysis to gasoline our efforts.”

Her remarks got here on the identical day that Mr. Biden traveled to Buffalo to go to the scene of the racially motivated taking pictures on Saturday.

Earlier than boarding Air Power One, Mr. Biden informed reporters that he would redouble his efforts “to persuade Congress” to enact gun management measures, however conceded that it could be troublesome with out a main shift in sentiment from lawmakers.

The report, whereas eagerly anticipated, is taken into account much less consequential than a coming evaluation of weapons used to commit crimes — which can faucet regulation enforcement, tutorial and public well being sources — to supply an equally complete image of trafficking patterns.

“It’s necessary to know what the scope and dimension of the general market is, and the commerce report sheds mild on that,” stated Nick Suplina, senior vp with Everytown for Gun Security, the gun management group based by the previous New York mayor Michael R. Bloomberg.

“However the subsequent logical step is to get the info on crime gun recoveries, to get that data again within the public sphere, so we are able to learn the way these weapons are going from authorized manufacturing to unlawful use,” Mr. Suplina added.

That report is anticipated to spotlight the position of unlawful straw purchasers, authorized consumers who promote weapons to individuals barred from buying handguns, and maybe determine federally licensed sellers who’re answerable for promoting the best variety of weapons later utilized in crimes.

A few of that data has already made its method into the general public area.

This month, the gun management group Brady launched an examination of Pennsylvania firearms tracing data revealing that six small retailers in south and northeast Philadelphia bought greater than 11,000 weapons that have been later recovered in prison investigations or confiscated from house owners who had obtained them illegally from 2014 to 2020.

The A.T.F. report beneficial that the bureau rent extra civilian workers to examine gun sellers. At the moment, the bureau has fewer than 700 inspectors to observe greater than 88,000 federally licensed gun retailers, pawn brokers and different retailers.

Over the previous two years, gun thefts from vehicles and houses have surged in lots of main cities, fueling violent crime, in response to an evaluation by The Wall Street Journal.

The gun trade has lengthy resisted the disclosure of some firearms information collected by the A.T.F. A sequence of Republican-sponsored measures, pushed by the Nationwide Rifle Affiliation, restricts officers on the bureau from releasing hint information and different data to the general public.

The increase in gun manufacturing seems to have been partly pushed by the expiration of the assault weapons ban in 2004.

After the regulation was allowed to lapse, “manufacture of the varieties of semiautomatic rifles and pistols beforehand designated to be assault weapons steadily elevated, significantly AR-type rifles and pistols, which are actually generally known as ‘fashionable sporting rifles’ and ‘fashionable sporting pistols,’” the report’s authors discovered.

Payton Gendron, the suspect within the Buffalo assault, used a Bushmaster semiautomatic rifle, one among many AR-15 clones out there for authorized buy within the nation.

Two producers are dominating the handgun market, the report stated. Smith & Wesson accounted for 8.2 million weapons produced from 2016 to 2020, 17 p.c of the general market, and Sturm, Ruger & Firm was shut behind, with practically an identical gross sales and manufacturing figures.

The info compiled by the A.T.F. covers a 20-year interval, however the graphs included with the report present three intervals of intense client volatility. One was in 2013, after the re-election of President Barack Obama and the mass taking pictures in Newtown, Conn., which prompted requires elevated gun rules. The second was in 2016, in the course of the presidential marketing campaign.

The third unsettled interval started in 2019 and prolonged by way of the 2020 election and pandemic.

Gun manufacturing elevated throughout the board throughout that point. However demand for semiautomatic handguns rose on the quickest price on document, with pistol manufacturing rocketing from round three million to five.5 million yearly, the report discovered.

The variety of imported weapons, of all sorts, has additionally been rising sharply, doubling from round two million per 12 months a decade in the past, to greater than 4 million in 2020, a document.

Lots of these have been first-time consumers who flooded A.T.F.’s switchboard and e-mail servers for details about methods to purchase a gun legally, and which weapons have been finest for private safety, one A.T.F. official stated.