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# 🏫 4% Less Primary Students in Denmark. Plug-In Vehicle Registrations Up 40%. US Student Marijuana Usage.
- URL: https://newsletters.qs.com/4-less-primary-students-in-denmark-plug-in-vehicle-registrations-up-40-us-student-marijuana-usage-2/
- Published: 2025-01-21T12:30:57.000Z
- Updated: 2025-01-21T12:30:57.000Z
- Description: Chart of the Day #263 looks at Primary School Students in Denmark, Electric Vehicle Registrations in the UK, and Mental Health in the US.
- Author: QS
- Tags: Charts

[**Cześć**](https://en.wikipedia.org/wiki/Polish%5Flanguage?ref=newsletters.qs.com) 🎻

Global EV sales hit [a record 17.1M in 2024](https://www.aa.com.tr/en/economy/global-electric-vehicle-sales-reach-record-171m-in-2024/3449720?ref=newsletters.qs.com), led by China’s 11M units, with BYD commanding over a third of the Chinese market. Europe, however, saw a 3% decline to 3M units. Uncertainty looms for 2025 as reduced tax credits could impact growth.

### Today's Topics

🏫 **Primary Schools.** Denmark’s primary students decreased by over 4%  
🚗 **Electric Vehicles.** Plug-in vehicle registrations in the UK rose 40%  
🧠 **Mental Health.** US college students using marijuana up 5% 

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## 🏫 Denmark’s Primary Students Decreased by Over 4%

[![](https://storage.ghost.io/c/f1/d4/f1d411df-6f49-4c75-a302-f8c9e9f59495/content/images/2025/01/HolonIQ_Number_of_primary_school_students_in_Denmark_2011_2023_Thousands_of_Students_HCHM5NJSH69XIJ6M3QB9.png)](https://index.holoniq.com/charts/HCHM5NJSH69XIJ6M3QB9/Number-of-primary-school-students-in-Denmark%252C-2011-2023-%28Thousands-of-Students%29?ref=newsletters.qs.com)

Between 2013 and 2023, the number of primary school students in Denmark decreased from 710,000 to 679,000, a decline of approximately 4.4%. [This trend reflects demographic shifts](https://gpseducation.oecd.org/CountryProfile?primaryCountry=DNK&treshold=10&topic=EO&ref=newsletters.qs.com), including lower birth rates, leading to fewer children entering the education system. Despite this decrease, Denmark maintains a high primary school enrollment rate.

## 🚗 Plug-in Vehicle Registrations in the UK Rose 40%

[![](https://storage.ghost.io/c/f1/d4/f1d411df-6f49-4c75-a302-f8c9e9f59495/content/images/2025/01/HolonIQ_Number_of_plug_in_electric_vehicle_fleet_in_the_United_Kingdom_2010_2022_Millions_of_Cars_HCHUR62BPMU08NIRPBGX.png)](https://index.holoniq.com/charts/HCHUR62BPMU08NIRPBGX/Number-of-plug-in-electric-vehicle-fleet-in-the-United-Kingdom%252C-2010-2022-%28Thousands-of-Fleet%29?ref=newsletters.qs.com)

Between 2022 and 2023, the number of licensed zero-emission vehicles in the UK increased by over 40% by the end of December 2023\. This significant growth reflects the[ UK's commitment to reducing carbon emissions](https://www.gov.uk/government/news/industry-encouraged-to-shape-uk-transition-to-zero-emission-vehicles?ref=newsletters.qs.com) and promoting sustainable transportation through government incentives and expanding charging infrastructure.

## 🧠 US College Students Using Marijuana Up 5% 

[![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfAGl6JBMBF0iswJyh1kU42qu13f0uUmiq8wsYAGuVS1XX-foNuutYz10Kqik9bOYxmJcAsKRdDBM9ijJgRLLCl3d3jKtm7VdURzn5GL5qEmL3CazYU7rfEnBL04KedkAx__FV8mA?key=1GEzyR5giOi7YofLk7mX6gNn)](https://index.holoniq.com/charts/HCH1U52CY2CK6HPXED8J/Marijuana-use-among-US-college-students-receiving-mental-healthcare%252C-2012-2023?ref=newsletters.qs.com)

Marijuana use among US college students seeking mental healthcare rose over 5% from 2013 to 2023\. This increase highlights [changing perceptions of cannabi](https://vitalrecord.tamu.edu/factors-associated-with-marijuana-use-among-high-risk-college-students/?ref=newsletters.qs.com)s as a tool for managing mental health, although it raises concerns about long-term effects and the need for evidence-based approaches.

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