This dataset contains annual labour market statistics based on the total number of hours worked over the year divided by the average number of people in employment. The data are intended for comparisons of trends over time; they are unsuitable for comparisons of the level of average annual hours of work for a given year, because of differences in their sources. Part-time workers are covered as well as full-time. Data are expressed in number of hours worked per year per person in employment. Data are expressed in number of hours worked per year per person in employment and are presented from 1950 onwards.