It is estimated that about 18 million people in the UK either own BP shares or pay into a pension fund that holds BP shares.

BBC: Why is BP important to the UK economy?

But here's the sweetener: Once the plan is accepted by the pension trustees, the airline will pay another 500 million pounds into the fund.

FORBES: Magazine Article

In Chile, a private-sector pension scheme, funded by mandatory contributions, now channels a tenth of most workers' pay into the fund of their choosing.

ECONOMIST: A survey of fund management: Investors, unite | The