The Øresund bridge sees record number of crossings, Denmark sees rise in number of single-children families and more news on Wednesday. Number of single children families in Denmark has risen by 10 percent in 16 yearsOne in eight children in Denmark grow up without siblings shows analysis by Danish news source, DR. Today the average age for a woman’s first child is 30.4 years. Danish vocabulary: enebarn - only childAdvertisementØresund bridge sees record number of crossingsSaturday July 25th was the Øresund bridge's busiest day of the year. And while a one-bedroom apartment costs 13,800 kroner in Copenhagen, an equivalent apartment costs just 5695 kroner in Esbjerg, a town on the southwest coast of Denmark.