Canada facts of the day

The estimate comes from Canada’s bureau of statistics, which studied marijuana consumption between 1960 and 2015.

The government has promised to research the drug’s affect on the economy and society as it ramps up its plans to legalise cannabis next summer.

The report also found that use has gone up over the years as it has become more popular with adults.

In the 1960s and 1970s cannabis was primarily consumed by young people, according to Statistics Canada.

But in 2015, only 6% of 15-17 year olds smoked cannabis recreationally, compared to two thirds of adults over 25.

Here is the story, via Mark Thorson.

Comments

It is sad how India, China, Canada, all get posts and praised while Brazil's achievemets are ignored when not slandered.

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Cannabis as treatment for PTSD seems to be pretty common. Perhaps youthful vigor means less need for measures to counter cumulative emotional stress. Will future retirement villages in Canada and elsewhere someday smell like the smoky college dorms of the 1970's? #ComedyMaterial

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Two thirds of Canadians​ over 25 smoke weed recreationally? That doesn't pass my smell test.

I think the BBC needs to issue a correction for that "two thirds" estimate, there's just no way it's true. Using Wikipedia numbers (cannabis in Canada article), in 2016 there were an estimated 5 million adult recreational users 2016. The total adult population is about 25 million, which makes the correct percentage 20%. Furthermore, that article says the 5 million estimate was disputed by some researches as too high.

Wikipedia also says 70% of Canadians favor legalization - I wonder if that's were the confusion arose.

The writer doesn’t know the difference between “effect” and “affect”. If the editors didn’t catch that, I’m sure they didn’t do any fact checking either. Linking to BBC.com is really not a good idea. This is a pretty typical article from them.

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The fact that the Canada facts are based on an estimate is a perfect description for this binge worthy web site.

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But in 2015, only 6% of 15-17 year olds smoked cannabis recreationally, compared to two thirds of adults over 25.

Not buying.

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The reporter misinterpreted the findings. The original study is here:

http://www.statcan.gc.ca/pub/11-626-x/11-626-x2017077-eng.htm

The relevant prevalence figures are in Chart 1: the study actually estimates that in 2015 ~24% of 15-17s and ~23% of 25-44s use marijuana recreationally. Their point is just that people who started using marijuana recreationally back in the day kept doing that as they got older. To illustrate this they charted a time series of the age composition of the marijuana-using population. That's what the reporter messed up. From the study's discussion of the age composition chart:

"The results show that cannabis activity in the earliest years examined (1960 to 1980) is a youth market. However, in the middle of this period, the effect of rising consumption among persons aged 25 to 44 begins to transition the market towards older age groups (Chart 2). This process continues as persons aged 45 to 64 begin to enter the market in the late 1970s, and continues up to the last data point in 2015. In 2015, persons older than 24 account for two-thirds of cannabis consumers while persons aged 15 to 17 account for less than 6%.

The aging pattern is reflective of a demographic shift taking place over decades rather than the changes seen in consumption in the late 1960s and early 1970s that had more to do with a rapid shift of preferences within a cohort.Note The compositional change in the cannabis market is consistent with a change where the baby boomer cohort was exposed to cannabis in high school and university, and carried a preference for cannabis consumption with them as they aged.Note The rising trend occurs as boomers, and the cohorts that followed after them with similar exposure and preferences, replaced the war generation, which had different preferences with respect to cannabis use."

Wow, "2/3 rds of cannabis users are adults" became "2/3 rds of adults are cannabis users."

Maybe the real news here is that 2/3 rds of BBC writers are functionally illiterate.

Thanks for the explanation!

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Two thirds? Obviously false. Possibly they mean “have had at least once in the past”. Canadian here.

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If they raise more money from pot,

Will they change their national song from

O Canada to

O Cannibis

Here are the new lyrics:

O Cannibis!
Our home and native plant!
True patriot love in all thy sons command.
With glowing eyes we see thee rise,
The True North strong and free!
From far and wide,
O Cannibis, we stand on guard for thee.
God keep our pot glorious and free!
O Cannibis, we stand on guard for thee.
O Cannibis, we stand on guard for thee.

Read more: The National Anthem Of Canada - O Canada Lyrics | MetroLyrics

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