To 1969, Improvement Era was being published by the Church of Jesus Christ of Latter Day Saints in Salt Lake City.

The articles mainly concern the work of the Church of Jesus Christ of Latter Day Saints in the Pacific Islands. The church was largely active in the period in French Polynesia, including Tahiti, Tuamotu Islands and Tubuai, as well as being active in the Hawaiian Islands, Samoa and Tonga. For other publications by the Church of Jesus Christ of Latter Day Saints see also PMB 112 for Juvenile Instructor; and PMB 113 for Contributor.