- Membership: 15,634,199 (increase of 261,862 from 2014; a 1.70% annual increase)
- Congregations: 30,016 (increase of 395 from 2014; a 1.33% annual increase)
- Stakes: 3,174 (increase of 60 from 2014; a 1.93% annual increase)
- Districts: 558 (decrease of 3 from 2014; a 0.53% annual decrease)
- Missions: 418 (increase of 12 from 2014; a 3.0% annual increase)
- Convert Baptisms: 257,402 (decrease of 39,401 from 2014; a 13.3% annual decrease)
- Increase of Children on Record: 114,550 (decrease of 1,859 from 2014; a 1.62% annual decrease)
- Full-time missionaries: 74,079 (decrease of 11,068 from 2014; a 13.0% annual decrease)
- Church service missionaries: 31,779 (increase of 1,375 from 2014; a 4.5% annual increase)
The decline in the number of full-time missionaries serving, and the commensurate decrease in the number of convert baptisms, constitutes the most surprising development in the 2015 statistical report. The number of convert baptisms and the number of full-time missionaries serving decreased by 13% during 2015 - the largest annual decrease in the number of convert baptisms since 2003. It is interesting to note that the average number of converts baptized per missionary remained unchanged during 2015 as an average of 3.5 converts were baptized per missionary during the year. Also, the discrepancy in the summation of convert baptisms and increase in children of record, and the annual net increase in church membership, totaled 110,090 - a decrease of 12,813 compared to 2014. In other words, this finding indicates that there was a decrease in 2015 in the number of members removed from church records due to death, excommunication, resignation, or unbaptized children of record who reach age 18 compared to 2014. However, the annual membership growth rate for the Church declined to a mere 1.70% for 2015 - the slowest LDS membership growth rate since 1937 when church membership increased by 0.93%.
Although these findings for membership growth appear concerning, some significant positive LDS growth developments occurred during 2015. First, the Church reported the largest net increase in the number of congregations, and the highest percentage increase in congregations, since 2005. Second, the Church reported the most commensurate membership and congregational growth since 1998. In other words, the rates of membership and congregational growth were the most similar since 1998. As a result, the average number of members per congregation in the worldwide church barely increased from 519 to 521. Third, the Church has sustained steady increases in the number of stakes within the past five years (approximately 50-60), whereas the Church reported smaller net increases in the number of stakes in the 2000s (approximately 30-40).
In conclusion, the results of the 2015 Annual Statistical Report suggests that the Church has achieved good improvements in convert retention and local leadership development at the expense of fewer converts baptized. Greater "real growth" has appeared to occur that emphasizes quality instead of quantity - otherwise we would expect to see similar declines in LDS statistical measurements that reflect member activity rates (e.g. stakes and congregations). Rapid LDS growth in several African nations, where higher convert retention and member activity rates occur, have also likely affected LDS growth trends in the worldwide Church and may explain some of these improvements.