The $18.29 million is an increase over last Tuesday's $16.1 million and both numbers trail only The Dark Knight's $20.9 million on the all-time non-opening Tuesday list.
Internationally, the blockbuster has reached $476.2 million as of the 29th for a combined worldwide total of $726.6 million! Percentage-wise, the domestic take is 34.5% and the international take is 65.6% of that massive total.
Avatar was released December 18th, 2009 and stars Sam Worthington, Zoe Saldana, Sigourney Weaver, Stephen Lang, Joel Moore, Giovanni Ribisi, Michelle Rodriguez, Laz Alonso. The film is directed by James Cameron.