The Lifelong Labour Market Database (LLMDB2) is a panel data

Panel data

In statistics and econometrics, the term panel data refers to multi-dimensional data. Panel data contains observations on multiple phenomena observed over multiple time periods for the same firms or individuals....

 set, owned by the Department for Work and Pensions

Department for Work and Pensions

The Department for Work and Pensions is the largest government department in the United Kingdom, created on June 8, 2001 from the merger of the employment part of the Department for Education and Employment and the Department of Social Security and headed by the Secretary of State for Work and...

 in Britain. LLMDB2 holds a 1% sample

Sample (statistics)

In statistics, a sample is a subset of a population. Typically, the population is very large, making a census or a complete enumeration of all the values in the population impractical or impossible. The sample represents a subset of manageable size...

 from the new National Insurance Recording System (NIRS2) and is a fully representative sample of around 600000 people. LLMDB2 started to record the income

Income

Income is the consumption and savings opportunity gained by an entity within a specified time frame, which is generally expressed in monetary terms. However, for households and individuals, "income is the sum of all the wages, salaries, profits, interests payments, rents and other forms of earnings...

 and other characteristics of its indivdiuals in 1978. It is especially useful for the analysis of private pension contributions. It is used for the Pensim2

Pensim2

Pensim2 is a dynamic microsimulation model to simulate the income of pensioners, owned by the British Department for Work and Pensions.Pensim2 is the second version of Pensim which was developed in the 1990s. The time horizon of the model is 100 years, by which time today's school leavers will...

microsimualtion model.