Carry yourself with confidence. Pickpockets are drawn to people who look lost or confused. If you are lost, avoid standing on the street pondering your map. Step inside a business and ask for help.
Keep your valuables close to you. Backpacks are some of the easiest targets for pickpockets. Use a front pack, or better yet, a money belt.
Trick the trickster. If you are traveling in a city especially plagued by pickpockets, consider carrying an empty wallet in your back pocket. The pickpocket will return home with his supposed booty, none the wiser, while you escape with your goods.
Know the tricks of the trade. Distraction is a favorite method of pickpockets. Criminals may work in pairs or even small groups, staging elaborate scenes designed to get your attention. While a crowd gathers to gape at a couple having a raging dispute in the street, an accomplice may be picking the crowd clean.
Exercise caution in your compassion. While a child bends your ear about an invented plight, his sister could be helping herself to your wallet. Listen if you must to such stories but keep a free hand on your belongings.
Check the United States Department of State for travel advisories and warnings if you are traveling abroad. If your destination hosts a large population of thieves, your heightened awareness can help you avoid becoming a victim.