Advisors are still struggling with the best way to create retirement spending plans for their clients, with no single strategy emerging as a clear leader.

That’s according to the latest quarterly survey of U.S. financial advisors from Russell Investments, which found that how to come up with an appropriate spending policy was one of their top concerns.

While the “Financial Professional Outlook” found that advisors’ other top worries were “setting reasonable spending expectations” (52 percent) and “maintaining sustainable plans” (44 percent), “determining sustainable spending policy” was high on the radar for 33 percent of respondents. This was despite the fact that more than 60 percent of survey participants said that more than half of their clients are in or near retirement.