Fact Sheet
I N T E R N AT I O N A L P R O G R A M S a n d
DRUG POLICY RESEARCH CENTER
How Might Marijuana Legalization in California Affect
Drug Trafficking Revenues and Violence in Mexico?
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T
he United States’ demand for illicit drugs creates markets for Mexican drug trafficking organizations (DTOs) and helps foster violence in Mexico. Some government and media sources have
reported that Mexican and Colombian DTOs combined earn $18–$39 billion annually in wholesale drug proceeds and 60 percent of all Mexican DTO drug export revenue comes from marijuana.
These numbers have been cited to argue that legalizing marijuana in California would reduce Mexican
DTOs’ revenues, thereby reducing violence.
In a new study funded by RAND International Programs, RAND researchers assessed how marijuana legalization in California might influence DTO revenues and the violence in Mexico.
Key study highlights include the following:
■Contrary
to some government and media estimates, Mexican DTOs’ annual gross revenues from
illegally exporting marijuana and selling it to wholesalers in the United States are likely less than
$2 billion; the study authors’ preferred estimate is $1.5 billion.
■The
claim that 60 percent of Mexican DTO gross drug export revenues comes from marijuana is not
credible. There is no public documentation about how this figure is derived, and government analyses
reveal great uncertainty. RAND’s exploratory analysis on this point suggests that 15–26 percent is a
more credible range.
■California
accounts for about 14 percent of U.S. marijuana consumption, and domestic production is
already prominent in California. Thus, if marijuana legalization in California affects only revenues from
supplying marijuana to California, Mexican DTO drug export revenue losses would be very small,
perhaps 2–4 percent.
■The
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only way that legalizing marijuana in California could significantly influence DTO revenues and
the related violence is if California-produced marijuana were smuggled to other states at prices that outcompete current Mexican supplies. In this scenario, legalizing marijuana in California could undercut
sales of Mexican marijuana in much of the nation, cutting DTOs’ marijuana export revenues by more
than 65 percent and probably by 85 percent or more. As such, Mexican DTOs would lose approximately 20 percent of their total drug export revenues.
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the extent of such smuggling would depend on many factors, including the response of the U.S.
federal government, the actions of other states, and the taxes and other regulations imposed on marijuana sales in California.
is unclear whether reductions in Mexican DTOs’ revenues from exporting marijuana would lead to
corresponding decreases in violence. Some mechanisms suggest that large reductions in revenues could
increase violence in the short run and decrease it in the long run.
This fact sheet is based on Beau Kilmer, Jonathan P. Caulkins, Brittany M. Bond, and Peter H. Reuter, Reducing Drug
Trafficking Revenues and Violence in Mexico: Would Legalizing Marijuana in California Help? OP-325-RC (available at
http://www.rand.org/pubs/occasional_papers/OP325/), 2010, 72 pp., $17, ISBN: 978-0-8330-5107-3.
Office of Congressional Relations | 703-413-1100 x5320 | ocr@rand.org | www.rand.org/congress
Funding for this study was provided by RAND International Programs through RAND’s Investment in People and Ideas program, which combines philanthropic contributions
from individuals, foundations, and private-sector firms with earnings from RAND’s endowment and operations to support research on issues that reach beyond the scope of
traditional client sponsorship.
This fact sheet was written by Paul Steinberg. The RAND Corporation is a nonprofit institution that helps improve policy and decisionmaking through research and analysis.
RAND’s publications do not necessarily reflect the opinions of its research clients and sponsors. R® is a registered trademark.
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