Developed world equity markets have been hammered in recent weeks. In U.S. dollar terms, many have entered bear market territory—defined as a peak-to-trough decline of at least 20%. We have compiled a slideshow of the 5 MSCI developed world stock market indices with the biggest bear market losses. If you are curious, the U.S. is one of the few MSCI developed country stock markets that has managed to avoid a peak-to-trough drop of 20%.