On battle for Norway 1940:
Casualties (April-June 1940)
Norwegian forces lost a total of 1,335 men killed in action (Army and Navy combined). Norwegian civilian casualties, in spite of many German bombings, were less than 300 killed.
German forces reported that 5,636 soldiers, sailors, and airmen never returned from the Norwegian campaign.
Allied forces (including Norwegian) lost a total of 6,100 men killed or missing and presumed dead. British losses in the land fighting amounted to 1,869 men. French and Polish ground forces lost 530 men killed.
And more on
http://www.feldgrau.com/norwegian.html