The population of Poland (as of 31.12.2015) is 38,437 million people making it the seventh biggest country in Europe (omitting Russia) in terms of population and the sixth largest in the European Union in terms of area.
Although the population growth has been low in recent years (the rate of population loss is -0.11% in 2015). Poland’s work force is still among the youngest in Europe as of 2015, with 24,002 million people of working age as of 2015.
Currently the retirement age should gradually increase up to 67 both for men and for women but according to the last changes the retirement age was lowered - as of October 2017 women are allowed to retire at the age of 60 and men at age 65.
Approximately 60.3% of Poles (as of 2015) live in cities and urban areas.
Ethnically Poland is one of the most homogenous countries in Europe, with over 98% of the population being ethnic Poles. The major ethnic minorities are German, Belarussian, Ukrainian and Romanian.
The official language in Poland is Polish, but most educated Poles (especially in the business community) speak at least one foreign language, with English being the most popular. In addition to this, German and Russian are also spoken frequently, due to the geographical closeness of these countries.
Source: Polish Investment and Trade Agnecy, Investor's Guide - Poland: How to do business 2016.