Not exactly. A cursory glance of this [0] Wikipedia article shows that the Presidential Election term is usually 4, 5, or 6 years long. For so many countries to

Not exactly. A cursory glance of this [0] Wikipedia article shows that the Presidential Election term is usually 4, 5, or 6 years long. For so many countries to be holding an election in the same year is quite unlikely. And even if the numbers (of countries) are there, some countries have much larger populations. The Economist article states more than 4 billion people will go to the polls in 2024. That's not going to happen in 2028. [0] https://en.wikipedia.org/wiki/List_of_next_general_elections https://en.wikipedia.org/wiki/List_of_next_general_elections