Tim B. Heaton reports LDS divorce rates as derived from surveys.
Tim B. Heaton, "Demographics of the Contemporary Mormon Family," Dialogue: A Journal of Mormon Thought 25, no. 3 (1992): 26-27
Contrary to previous research findings, these data indicate a relatively high level of marital instability among Mormons (Figure 6). White Catholics, Jews, and several major Protestant groups have greater marital stability than do Mormons. It is somewhat difficult to reconcilethis finding with that of previous studies that showed relatively low divorce rates among LDS members (Heaton and Goodman 1985). Divorce may be underestimated in Church- sponsored studies, which may have some difficulty locating single or less active members.