One in six defined benefit (DB) sponsors are considering closing their schemes as one of a range of options when contracting out ends, according to Aon Hewitt.
Female life expectancy aged 65 varies by up to 5.7 years from region to region, research from the Office for National Statistics (ONS) finds.
Government policies aimed a reducing the liability of the state for supporting people in retirement could fail due to being managed across different departments, auditors suggest.
Pensions minister Steve Webb is to use the Pensions Bill to change the structure of benefits given to people who delay taking the state pension.
Chancellor George Osborne has said he will cap the country's welfare budget each year for the next four years from April 2015 - but the state pension will not be included.
The government's response to the National Employment Savings Trust (NEST) restrictions is likely to be addressed in the passage of the Pensions Bill.
The pensions industry must prove to government that it is "part of the solution to the pensions issue and not the problem," the director of life, pensions and savings for the Association of British Insurers (ABI) has said.
The CBI's Neil Carberry calls for pensions stability
The Confederation of British Industry has called on the government to allow employers time to adapt to pension reform before introducing any more new measures.
The government should focus on improving defined contribution (DC) provision in developing the defined ambition agenda, according to the TUC.