Casual observations. We're in the ballpark, within 50 'points', of countries with much smaller populations.
The smaller population = higher literacy rates mostly holds true for the U.S., with large population states CA, NY and TX having lower HS literacy rates than many smaller states.
Presuming that most highly literate U.S. HS students attend and complete college we then see how the electorate, presuming higher education correlates with higher voting %'s , skews more highly educated and more heavily heavily 'blue'. The top 15 States heavily so and top 25 mostly so.
Canada — 56.27% Japan — 50.50% Israel — 49.90% South Korea — 46.86% United Kingdom — 45.96% United States — 45.67% Australia — 43.74% Finland — 43.60% Norway — 43.02% Luxembourg — 42.86%
The OECD list compares the percentage of each country's residents ages 25 to 64 who have completed some form of tertiary education: a two-year or four-year degree or a vocational program. Based on the OECD's data, Canada is the most educated country globally, with 56.71% of adults meeting the OECD criteria. Japan has the second-highest percentage of 51.44%, followed by Israel with 50.92%.
However, it's worth noting that this list compared only the 43 countries that are members or partners of the OECD, leaving out roughly 150 countries that happen to not belong to the OCED. =Also of note is the fact that these rankings change if the data are divided by age range. For example, compare the percentages for 55-64-year-olds in the tables below with the percentages for 25-34-year-olds. Comparisons such as these offer a glimpse into which countries are increasing support for education and which may be doing less.
Percentage of Citizens Who Have Completed Tertiary Education (by Generation) - OECD 2021
(Tertiary education, also referred to as third-level, third-stage or post-secondary education, is the educational level following the completion of secondary.)
Ranking 55-64 year-olds % 25-34 year-olds % 1 Russia 50.3 South Korea 69.8 2 Canada 50.0 Canada 64.4 3 Israel 46.1 Russia 62.1 4 Japan 44.5 Japan 61.5 5 United States 44.3 Ireland 58.4 6 Finland 42.9 Luxembourg 58.2 7 United Kingdom 39.4 Lithuania 56.2 8 Estonia 39.2 United Kingdom 55.8 9 Australia 36.3 Australia 54.6 10 Switzerland 34.7 Switzerland 53.0
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