YOUNG RESEARCHER Membership (students or within 3 years after receiving PhD)
| 1-year membership (expiration 31/12/2023) | 15 Euro |
| 4-year membership (expiration 31/12/2026) | 50 Euro |
REGULAR Membership (based on personal income)
Income over US$ 16,000/year:
| 1-year membership (expiration 31/12/2023) | 50 Euro |
| 4-year membership (expiration 31/12/2026) | 175 Euro |
Income US$ 8,000-16,000/year:
| 1-year membership (expiration 31/12/2023) | 25 Euro |
| 4-year membership (expiration 31/12/2026) | 80 Euro |
Income under US$ 8,000/year:
| 1-year membership (expiration 31/12/2023) | 15 Euro |
| 4-year membership (expiration 31/12/2026) | 50 Euro |
LIFE Membership (a one-time payment, and no annual fees afterward)
800 Euro
BENEFACTOR (life membership included)
1000 Euro