The American Association of Physics Teachers (AAPT) mission is to enhance the understanding and appreciation of physics through teaching. Embracing the notion that physics understanding is critical to the wellbeing of society, AAPT is committed to serving its members and the larger community by promoting effectiveness in physics teaching for diverse audiences and in various settings, with the strong belief that successful teaching is based on solid physics content and effective pedagogy; that students of various backgrounds have the capacity to understand physics; and that physics ultimately serves the public good. This paper presents AAPT's annual report for 2009. This annual report contains the following sections: (1) Presidential Statement; (2) Executive Officer Statement; (3) Mission, Values, Vision; (4) Publications; (5) Membership; (6) National Meetings; (7) Workshops and Programs; (8) Collaborative Projects; (9) High School Physics Photo Contest; (10) Awards and Grants; (11) Fundraising; (12) Committee Contributions; (13) Advisory Committees; (14) AAPT Sections; and (15) Financials. [For the 2008 annual report, see ED511349.]