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1/ Time for #fridaygeotrivia

Our question: What is the longest chain of countries such that each successive country in the chain shares a land border with and has a lower or equal (>=) fertility rate than the previous country?

Example: Paraguay (2.4) - Argentina (1.9) - Brazil (1.6) - Uruguay (1.5)

We will use the United Nations Population Fund 2024 data: https://en.wikipedia.org/wiki/List_of_countries_by_total_fertility_rate#Country_ranking_by_international_organizations