Aon plc says increased funded positions and volatility will likely lead to further de-risking.
Aon survey finds slowing increases in medical plan unit costs.
Climate concerns will be heavily weighted in underwriting risk exposures.
Aon identifies high-cost claimants and inflation as causes of the increase.
Insurer scores improve somewhat, while backup security continues to be an area of vulnerability.
Defined benefit plans report modestly positive returns and higher solvency ratios.
Stakeholders invited to comment on changes before September 18.