Insurers that provide long term savings and life insurance products ensure they meet their long-term liabilities by investing the premiums received in different types of investments.
At the end of 2014, insurers held £1.9trn of assets, of which £1.8trn was held by long term savings providers.
UK equity holdings have decreased by 12 percentage points over the past 10 years. Unit Trust holdings have increased by 11 percentage points.