The towns with a population exceeding 15,000 in 1900 are Stockholm (300,624), Gothenburg (130,609), Malmo (60,857), Norrkoping (41,008), Gefle (29,522), Helsingborg (24,670), Karlskrona (23,955), Jonkoping (23,143), Upsala (22,855), Orebro (22,013), Lund (16,621), Boras (15,837), Halmstad (15,362).
North and east of Helsingborg lies the only coalfield in Sweden, extending into the lofty Kullen peninsula, which forms the northern part of the east shore of the Sound.
The principal exports are granite, timber and hats; and butter through Helsingborg and Gothenburg.
The defeat of the Germans at Helsingborg only called into being the stronger town and territorial alliance of 1367, known as the Cologne Confederation, and its final victory, with the peace of Stralsund in 1370, which gave for a limited period the four chief castles on the Sound into the hands of the Hanseatic towns, greatly enhanced the prestige of the League.
The principal ports of register are Gothenburg, Stockholm, Helsingborg and Gefle, in order; though the principal commercial ports are Stockholm; Gothenburg and Malmo.