Time for #fridaygeotrivia, this toot start the thread.
Once again our question revolves around country chains. But this time we consider the attribute of GDP per capita. 💰💰💰
What is the longest chain of countries such that each successive country in the chain shares a land border with and has a higher GDP per capita than the previous country?
Example: Portugal 🇵🇹 - Spain 🇪🇸 - France 🇫🇷 - Andorra 🇦🇩