Population: 5,447,502 (July 2007 est.)
Religion: Roman Catholic 68.9%, Protestant 10.8%, Greek Catholic 4.1%, other or unspecified 3.2%, none 13% (2001 census)
Language: Slovak (official) 83.9%, Hungarian 10.7%, Roma 1.8%, Ukrainian 1%, other or unspecified 2.6% (2001 census)
Ethnic Groups: Slovak 85.8%, Hungarian 9.7%, Roma 1.7%, Ruthenian/Ukrainian 1%, other and unspecified 1.8% (2001 census)
Literacy: definition: age 15 and over can read and write
total population: 99.6%
male: 99.7%
female: 99.6% (2001 est.)
Education: Average years of schooling of adults 9.3
Duration of compulsory education: 10 years
Education spending (% of GDP) 4.4%
Age structure: 0-14 years: 16.4% (male 456,105/female 435,154)
15-64 years: 71.5% (male 1,938,846/female 1,955,382)
65 years and over: 12.2% (male 247,728/female 414,287) (2007 est.)