Apple sold 600-700 thousand
25 million ipads were sold in the first month
Apple sold more than 15 million first-generation iPads within the first year of production. It is known that 300,000 iPads were sold on their first day of availability.
About 20,000 iPads are sold every day in the US.
3 in total
No one knows how many iPads will be made now and in the future. It will depend on when Apple decides to stop making them, and how many are sold. As of now, about 100 million have be sold worldwide (Fall 2012).
Apple reported that 3 million were sold in the first weekend.
About 100 million iPads have been sold as of August 2012.
The first iPads were sold on April 3 of 2010. They were first manufactured some time in 2009.
Launch day of the first generation, April 3, 2010.
3 Million were sold in the first 3 days, according to Apple's own promotional releases.
Apple claims to have sold 3,000,000 ipads in the first 80 days of sale. That number, however, is always going up.
Over 100 million have been sold worldwide as of July 2012.