The sell off in Australian shares has brought market leaders back to more reasonable share price levels. While the momentum remains negative, it's interesting to calculate estimated dividend yields for the big four banks and Telstra:

20150616 divsNote the assumptions - no growth for TLS and NAB, and 3% for the rest. Naturally, owning shares also involves capital risks - share prices can, and do, go up and down. Companies can suffer earnings decline, and can cut dividends for a variety of reasons.