According to a paper, "Older Workers and Pension Issues," that appeared in the latest issue of the Labour Program's Workplace Bulletin, Canada’s population will undergo significant aging in the 21 century. By 2011, Human Resources and Social Development Canada (HRSDC) has estimated that approximately 41% of the working population will be between the ages of 45 and 64, compared to 29% in 1991. This has raised questions about how the workforce will adapt to this shift, including what measures might be taken to facilitate the retention of skilled older workers.An Older Workers and Pension Questionnaire was included with the 2007 Union Membership in Canada Survey in order to determine what trends are expected to materialize in the next five years in relation to older workers. The questionnaire was sent to all national and international unions in Canada, as well as all labour organizations consisting of a single bargaining unit with 50 or more members in Canada, but not affiliated with any other labour organization. A total of 207 respondents completed the questionnaire for a response rate of 38.2%.Overall, there is fairly widespread agreement that increased use of part-time older workers, phased-in retirement, and incentives to keep older workers on the job are expected trends. Less certain is whether the normal age of retirement will increase, as well as what the trends in health and welfare benefits will be. In any case, the majority of questionnaire respondents (75%) do agree that the pensioner component of labour organizations will become more concerned about protecting its entitlements from erosion in future bargaining in the coming years.