It is already very expensive outside Spain. A similar, more affordable ham is Jamón Serrano.
Note that "serrano" is not as strictly protected as a term as ibérico, which needs to confirm to the rules of the Denominación de Origen [1]. Only a handful of serrano brands are D. O. (and will be clearly marked as such on the packaging), and the stuff sold in American supermarkets, for example, generally aren't among those brands. That doesn't mean that you can't find good, cheap "plain" serrano, of course. [1] htt…
This denomination establishes that the ingredients/materials and quality are subject to certain standard for that given product (but does not constrain the origin of the product).
For a product consumed in a regular basis rather than on special occasions this might be enough.