PhD Percentage by Country / Number of Doctorate Degrees per Country 2023

1. Slovenia

Slovenia is the highest-ranking country in the number of Ph.D. degrees earned by adults between the ages of 25 and 64. 5% of the entire population in Slovenia has a Ph.D. The distribution between Ph.D. adults in Slovenia finds more female doctorates than males. About 4.5% of adult females have a Ph.D., compared to about 3% of adult males in Slovenia.

2. Switzerland

Switzerland has the second-highest rate of Ph.Ds. globally, with nearly 3% of the adult population holding this advanced degree. In Switzerland, men are more likely to hold a Ph.D., representing 4% of the total doctorate population, compared to about 2.5% for female doctorates.

3. Luxembourg

In Luxembourg, 2% of the total population holds a Ph.D. There are several countries tied for 2% of the population with a Ph.D., and almost all of the highly educated countries are in Europe. In Luxembourg, 2.5% of Ph.D. holders are male, compared to 2% female.

4. United States

The United States is tied with European countries when it comes to being a highly educated population. About 2% of the U.S. population holds a Ph.D. Men are more likely than women to have a Ph.D. in the United States, with 2.5% of the Ph.D. candidates male and about 2% female.

5. Sweden

Like other countries on our list, Sweden is tied with 2% of the total population holding a doctorate degree. In this country, males and females are just about equal when it comes to this advanced degree. Around 2.5% of males have a Ph.D., while 2.2% of females hold a Ph.D. in Sweden.

6. The United Kingdom

Rounding out our list of highly educated countries with the most Ph.Ds., the United Kingdom has about 2% of the population holding a Ph.D. In the United Kingdom, males and females are pretty close to equal in higher education. Males account for more Ph.D. degrees, with about 2.5%, while females are close behind with nearly 2.3% Ph.Ds.

7. Germany

Another European country on our list of the most Ph.Ds., Germany, has about 2% of its population with a Ph.D. This country sees a more significant discrepancy between males and females when it comes to higher education. About 1.75% of males account for Ph.Ds. awarded, while only about 1% of females have their Ph.D. in Germany.

8. Australia

Breaking up the stranglehold at the top of our list between Europe and the United States, Australia makes the list with the 8th most Ph.D. citizens per capita. In Australia, 2% of the population holds a doctorate degree. Males and females are almost identical regarding Ph.Ds., with males just slightly earning a Ph.D. more frequently. Males account for 1.1% of Ph.Ds. in the country, while females account for 1.0% of the Ph.Ds. awarded in Australia.