While I was looking for a reasonable single speed 26 inch walk-through bicycle, I came across with Buffalo Bicycle. It is made by WORLD BICYCLE RELIEF. They are empowering individuals to access education, healthcare and economic opportunities through life-changing bicycles.
In a word, they are designing, building and donating a durable easy-maintenance bicycle to developing countries along with some well known bicycle manufacturers. To provide those mobility to empower them.
World Bicycle Relief is a catalyst for change, partnering with people in rural communities around the globe to realize their goals by expanding opportunities to access education, markets, health facilities and vital services with the tool they need to thrive.
The video below shows version 2 of Buffalo Bicycle. It comes with 2-speed bike with never seen mechanism. Their YouTube channel has a lot more inspiring stories https://www.youtube.com/@WorldBicycleRelief
These kinds of bicycle are also required in North Americas as well. They will promote bicycles as commuting tools, not just a leisure sports gears.