Wage data defined in the tool Wage comparison are acquired from Information system about average income (ISPV) for the year 2011. This is the largest research regarding wages in the Czech Republic with more than 2 millions of employees. The given wages/salaries are the result of so called sector statistics, which characterises employees from large companies (with 250 and more employees) from the wage sector. More detailed information about respondents’ selection, data gathering and processing or about the used classification of employment CZ-ISCO can be found in a research portal www.ispv.cz
