Remember that the population of Hungary is about 1/30th of that of the United States. Correct for population size and you may get more interesting statistics.
You would not believe how excellent math education is here, and how important education is in the culture in general. Very stark difference from the United States.
The theoretical foundations for math and CS is very strong, however, most newgrads has no real world experience neither particularly useful practical skills.
Hungary has perhaps the strongest mathematical tradition of any country, particularly in graph theory and other combinatorial math.