> ## Content Index > Fetch the complete content index at: https://newsletters.qs.com/llms.txt > Use this file to discover other available public pages before exploring further. # 🏫 Kazakhstan and South Korea lead K-12 completion. Marijuana users in the US. AI market jumps 80% globally. - URL: https://newsletters.qs.com/kazakhstan-and-south-korea-lead-k-12-completion-marijuana-users-in-the-us-ai-market-jumps-80-globally/ - Published: 2026-04-28T11:30:28.000Z - Updated: 2026-04-28T11:30:28.000Z - Description: Chart of the Day #593 looks at secondary education completion rates, substance usage in the US and global AI market revenue. - Author: QS - Tags: Charts **Hello 👋** Maharashtra [launches](https://timesofindia.indiatimes.com/city/mumbai/maharashtra-chief-minister-devendra-fadnavis-launches-mahachatur-ai-chatbot-for-skill-training/articleshow/130562938.cms?ref=newsletters.qs.com) Mahachatur AI chatbot to support skill training and career guidance. Tokyo to [introduce](https://reseed.resemom.jp/article/2026/04/24/13113.html?ref=newsletters.qs.com) digital-real integrated education. UK–Nigeria Skills & School Trade Mission [strengthened](https://consumerconnectng.com/54366?ref=newsletters.qs.com) education ties between the United Kingdom and Nigeria. ### Today's Topics 🏫 **K-12 Education.** Kazakhstan and South Korea top secondary education completion **⚕️ Health Skills.** Marijuana consumption is the most among American users 🤖 **Artificial Intelligence.** Global AI market leaps by 80% Thanks for reading! **Not a subscriber yet?** [Subscribe now](https://newsletters.qs.com/#/portal/) --- ## 🏫 Kazakhstan and South Korea top secondary education completion ![](https://storage.ghost.io/c/f1/d4/f1d411df-6f49-4c75-a302-f8c9e9f59495/content/images/2026/04/data-src-image-031e77b8-b01a-45e1-87b3-850bdfb31d34.png) Lower secondary completion reaches 100% in Kazakhstan and South Korea in 2024, placing them at the top globally. The high rates reflect [strong public education systems](https://wenr.wes.org/2021/07/education-in-kazakhstan?ref=newsletters.qs.com) and cultural emphasis on schooling. In South Korea, [academic achievement is closely tied to employment prospects](https://www.oecd.org/en/publications/education-at-a-glance-2025%5F1a3543e2-en/korea%5F252c9ed2-en.html?ref=newsletters.qs.com), driving high retention. Kazakhstan benefits from widespread state provision and education continuity. Consistent investment in schooling infrastructure supports outcomes. ## ⚕️Marijuana consumption is the most among American users ![](https://storage.ghost.io/c/f1/d4/f1d411df-6f49-4c75-a302-f8c9e9f59495/content/images/2026/04/data-src-image-6f802788-4e0a-4d0d-aa29-52fbf6bf4992.png) Marijuana usage in the United States reached over 20% among adults and above 10% among youth in 2023, far exceeding other substances. The high rate reflects wider legalisation, increased [social acceptance,](https://pmc.ncbi.nlm.nih.gov/articles/PMC8617584/?ref=newsletters.qs.com) and perception of lower health risks compared to harder drugs. Availability through regulated markets has also expanded access. In contrast, [stricter controls ](https://www.dea.gov/drug-information/drug-policy?ref=newsletters.qs.com)limit the use of substances like opioids and cocaine. [The Controlled Substances Act, overseen by the US Drug Enforcement Administration](https://www.dea.gov/drug-information/csa?ref=newsletters.qs.com), regulates drug classification and usage. ## 🤖 Global AI market leaps by 80% ![](https://storage.ghost.io/c/f1/d4/f1d411df-6f49-4c75-a302-f8c9e9f59495/content/images/2026/04/data-src-image-5a9df464-2f64-44b8-99c5-e51ba0739b02.png) Global AI market revenue grew from $136B in 2022 to $244B in 2025, with growth accelerating in the final year. The sharp increase reflects widespread adoption of generative AI and cloud-based AI services. Businesses are [scaling investments](https://unctad.org/news/ai-market-projected-hit-48-trillion-2033-emerging-dominant-frontier-technology?ref=newsletters.qs.com) to improve productivity, customer engagement, and data-driven decision-making. The [development of AI models to tap larger markets](https://timesofindia.indiatimes.com/city/chennai/with-10mn-raise-gnani-aims-to-scale-voice-ai-models-tap-global-markets/articleshow/129935337.cms?ref=newsletters.qs.com) can be seen in emerging economies. The [National AI Initiative Act](https://www.whitehouse.gov/presidential-actions/2025/12/eliminating-state-law-obstruction-of-national-artificial-intelligence-policy/?ref=newsletters.qs.com), implemented by the US Government, supports AI development and innovation. --- **Like getting this newsletter?* Request a demo for unlimited access to over one million charts* [Request a Demo](https://share-eu1.hsforms.com/2C1%5FV5ni4SEyLILjrqcyQnQfigrs?%5F%5Fhstc=246933147.4a0f9c817dbdb1552dab36c635584622.1688407869224.1749831404162.1749845959660.481&%5F%5Fhssc=246933147.4.1749845959660&%5F%5Fhsfp=4268195782&ref=newsletters.qs.com) --- **Thank you for reading. Have a great week ahead!** Have some feedback or want to sponsor this newsletter? Let us know at [qs.com.](https://www.qs.com/contact-us/?ref=newsletters.qs.com)