There is no age barrier. The only caveat is that if the language training starts after puberty, the probability is almost certain that one will have at least some accent in speaking the second language, no matter how many years one lives in the foreign country. Call your local community college and ask to talk with the instructor who teaches a course in the language you want to learn. If it sounds promising, ask to sit in on a few classes. Sample to find how comfortable you are with the procedure.
Travel is more fun when one can understand and communicate anything in the foreign language.
In Arabic, they were playfully mocking the tourists under the assumption, I suppose, that none understood Arabic. Reprinted by permission of Dr. James J. Asher. All rights reserved. All Agora Newsletters are also archived under the Agora Newsletter item of Agora's top level menu. The Agora Newsletter is copyright 1995-2000 Agora Language Marketplace.