In 2017, in Mazowieckie Voivodship, the group of entities with foreign capital comprised 8473 units – 13.7% less compared to the previous year. The structure of entities with foreign capital was dominated by micro-enterprises (employing up to 9 persons) – more than 65%. From among all entities with foreign capital, the most units (7131, i.e. 84.2%) had their headquarters in Warsaw capital city.

In 2018, the amount of municipal waste generated increased as compared to the previous year (14.5% of the share in the country). There was an average of 293 kg of municipal waste collected from households per one inhabitant of the voivodship. The number of municipal waste landfills was lower than a year before.