Mae buddsoddi yn cyfeirio at y llif arian o gwmpas gwledydd a rhwng gwledydd at ddibenion gwneud elw. Mae pensiwn yn swm penodedig a delir yn rheolaidd i unigolyn, fel arfer ar ôl iddo ymddeol, ac mae ymddiriedolaeth yn drefniant cyfreithiol lle mae 1 'ymddiriedolwr' neu fwy yn cael ei wneud yn gyfrifol yn gyfreithiol am ddal asedau. Mae'r ystadegau yma yn cynnwys llifau net i'r DU, ffigurau ar nifer y bobl sy'n dal pensiynau o wahanol fathau, a buddsoddiadau a wnaed gan amryw fathau o ymddiriedolaethau.
Net investment of £36 billion was reported by insurance companies, pension funds and trusts in Quarter 2 (Apr to June) 2017; the five-year quarterly average for this series is net investment of £6 billion; this is the second consecutive quarter of net investment, following record net disinvestment during 2016 (provisional estimate).
The Quarter 2 2017 estimate of net investment by unit trusts and property unit trusts (£22 billion) was the largest since the start of this series in 1987; this was mainly due to net investment in overseas securities (£13 billion).
In Quarter 2 2017, the estimate of net investment by self-administered pension funds (£19 billion) was the largest since the start of this series in 1983; this was mainly due to net investment in other assets (£11 billion).
Investment choices of financial institutions based on financial transactions (investments and disinvestments), including balance sheet data for short-term assets and liabilities, and income and expenditure data.
Contributions to private (non-state) pensions. Private pensions considered are: occupational schemes for private sector and public sector employees; and personal pensions, including group personal and stakeholder pensions.