as of

preposition

: on, at, from

—used to indicate a time or date at which something begins or ends

takes effect as of July 1

As of now, it's difficult to tell in a cancer's early stage which patients have which kind of tumor.

—Melinda Beck

As of last year [2010], women held 51.4 percent of all managerial and professional positions, up from 26 percent in 1980 …

—Kate Bolick

Examples of as of in a Sentence

Recent Examples on the Web

ByteDance has tried to quell concerns about TikTok by noting 100% of U.S. traffic was routed to Oracle and U.S. Digital Service infrastructure in the United States as of 2022. —Antonio Pequeño Iv, Forbes, 20 Jan. 2025

Here’s where The Baltimore Sun ranks its top high school basketball, wrestling, and indoor track and field teams as of Jan. 20. —Baltimore Sun Staff, Baltimore Sun, 20 Jan. 2025

With 23 sites in Florida now monitored, the surveillance shows a moderate level of COVID-19 as of Jan. 11. Norovirus, also called the stomach bug, continues to have a higher-than-normal season. —Cindy Krischer Goodman, Sun Sentinel, 20 Jan. 2025

The social media application is officially down, as of Saturday, Jan. 18, only hours before the law that bans TikTok from being distributed in the United States was set to go into effect. —David Chiu, People.com, 19 Jan. 2025

Word History

First Known Use

1781, in the meaning defined above

Kids Definition

as of

preposition

: on entry 1 sense 3, at

we begin work as of Tuesday

as of the moment, things are fine