Residents: City of Antwerp Districts and Customer Service - number of residents officially registered in Antwerp - Stad in Cijfers, stadincijfers.antwerpen.be

Ownership of means of transport by family: Flemish Statistical Authority, Agency for Home Affairs - Percentage (%) of residents whose family own their own transport - Stad in Cijfers, stadincijfers.antwerpen.be

Kilometres of traffic on the Ring Road: Flemish Traffic Centre - the traffic weight indicator shows the average (average day) length of congestion on the Antwerp Ring Road - indicatoren.verkeerscentrum.be 

Number of cyclists: Signco - permanent counter loops at Mercatorstraat and Steenplein in 2 directions

Electrical charging points: City of Antwerp, Urban Development, Mobility - number of charging points for electric vehicles - Stad in Cijfers, stadincijfers.antwerpen.be