Final answer:
The International Federation of Accountants (IFAC) is the world's largest association representing the accounting profession, with a broad global presence and a significant role in setting international standards and policies.
Step-by-step explanation:
The world's largest association representing the accounting profession is the International Federation of Accountants (IFAC). The IFAC is a global organization, with over 175 members and associates in more than 130 countries and jurisdictions worldwide. It supports the development, adoption, and implementation of high-quality international standards for auditing, education, and ethics in the profession. The IFAC also plays a crucial role in promoting and enhancing the value of professional accountants globally through its strategic initiatives and the influence it has on public policy design.