The age at which a man should retire from work can vary depending on individual circumstances, personal preferences, and the retirement policies of their country or workplace. In some countries, the retirement age is set by law or policy, while in others, individuals have more flexibility in deciding when to retire. Some factors to consider when deciding when to retire include financial stability, health, personal goals, and job satisfaction. It's important to plan for retirement and seek advice from financial and retirement planning professionals to ensure a smooth transition to retirement.