Pensions might be classified according to various factors. 

Depending on which pillar of the pension system pensions are being paid, they might be divided into:

• Pensions for state social security
  Any individual who works and is secured according to particular circumstances is entitled to pensions as follows:
  1. retirement pension
  2. hereditary pension
  3. social pension for retirement
  4. pension for special services
  5. personal pension
  6. pension for disability due to sickness
  7. pension for disability due to labor accident or occupational disease
  8. pension for military disability
  9. pension for citizen disability
  10. social pension for disability.
• Pensions in additional social security
  Additional lifelong pension for retirement and professional pension for early retirement – pensions that have the right to receive all individuals born after December 31st, 1959 that are obligatory ensured in universal or professional pension funds.
• Pensions in voluntary social security
  Any individual, providing in voluntary pension fund is entitled to additional retirement pension, personal pension for disability or hereditary pension.

Depending on whether the receipt of that pension is related to a particular loss of working ability, we differ the following two pension groups:

• Pensions for disability
  These pensions are granted to persons who have temporary or prolonged loss of working capacity.
  These are:
  1. pensions for disability due to disease
  2. pensions for disability due to labor accident or occupational disease
  3. pension for military disability
  4. pension for citizen disability
  5. social pension for disability.
• Non-disability pensions
  These are all the rest pensions that there is no any requirement the ensured persons to have a full or part lack of working ability:
  1. pensions for retirement
  2. hereditary pensions
  3. social retirement pensions
  4. pensions for specific services
  5. personal pensions
  6. additional personal pensions.

Depending on whether pension is related to working, pensions might be divided into:

• Pensions related to working
  It is necessary the ensured person to have a particular ensured work experience.
  This includes:
  1. retirement pensions
  2. hereditary pensions
  3. pension for disability due to disease
  4. пенсия за инвалидност поради трудова злополука и професионална болест
  5. additional lifelong pension
  6. professional pension for early retirement.
• Pensions not related to working
  These are:
  1. pensions for military disability
  2. pensions for citizen disability
  3. social pensions for old age
  4. social pensions for disability
  5. pensions for special merits
  6. personal pensions
  7. additional personal pensions.