Scout Association of Hong Kong were in total 155 members in the first census. During World War I, many Scouting leaders served in the war, which limited Scouting in Hong Kong, but the 1st World Scout Jamboree between 30 July and 8 August 1920 revived Hong Kong Scouting. Lieutenant-Colonel F. J. Bowen returned to Hong Kong after the end of the war, and actively participated in the Movement. He became the Colony Commissioner in July 1920 and reorganised the Hong Kong Branch. At the end of 1920, membership was approximately 140 members. The reorganised branch held a Scout Rally at the Murray Parade Ground on
The Scout Association Boy Scouts Association started branches itself in parts of British Empire. The Boy Scouts Association's "Headquarters" in London was renamed "Imperial Headquarters" (IHQ). The Boy Scouts International Bureau was formed in 1920 and became fully functional under the International Conference of the Boy Scout Movement in 1922. Subsequently, The Boy Scouts Association branches in the Dominions of Canada, Australia, New Zealand, Newfoundland, and South Africa were given the option of being "separately represented" with the Boy Scouts International Bureau, but chose instead to remain under IHQ control. Over time, many of the branches of The Scout Association became direct members