US - American households will have to contribute an average of $1,398 per year to fulfill pension promises, according to a new study.

GLOBAL - Have you missed the biggest stories in pensions this week? Find out below, as we list the top 10 most popular stories on www.globalpensions.com over the past seven days.

US - Mercer has launched a new pensions management system to help employers gauge their exposure to organisational risk.

Aegon Asset Management‘s head of property investment Phil Clark has been named chairman of the Investment Property Forum.

UK - Aegon Asset Management‘s head of property investment Phil Clark has been named chairman of the Investment Property Forum.

SWEDEN - Sweden's €100bn ($143bn) state pensions funds are facing a wide-ranging government review which could result in mergers.

UK - Threadneedle has appointed Camilla Crowe as head of consultant relations.

AUSTRALIA - The elimination of six million unnecessary superannuation accounts through auto-consolidation would lead to a reduction in fees of around A$250m ($263m)a year, research suggests.

US - The cash-strapped US Postal Service is to suspend employer contributions to the Federal Employees Retirement System (FERS) in a bid to save cash and preserve liquidity.

UK - Inalytics has launched a new service which allows pension funds to analyse the performance of fiduciary managers and the advice they give to clients.