I find this article very useful and interesting and it might motivate you to dive deep in course creation... Global education market by 2013
Summary from report:
The global online education market is projected to witness a compound annual growth rate of 10.26% during the forecast period to reach a total market size of US$286.62 billion by 2023, increasing from US$159.52 billion in 2017. Platforms that facilitate learning through gaming are gaining popularity. Improvements in IT security and implementation of cloud based solutions has increased the adoption rate of online education system as now, people can enjoy a smooth learning experience on safe online platforms. Advancements in the field of artificial intelligence are expected to further boost the growth rate of the online education market. Geographically, North America leads the way for the online education market, owing to the high adoption rate of such technologies in the region, closely followed by Asia-Pacific which is bound to become a major market in the upcoming years.