This site contains life tables for 191 countries under the auspices of the World Health Organization.
Here is an easy-to-follow tutorial on how to create a life table.
This site presents life tables for the United States in 2010 along with a discussion of the findings and graphs and tables related to life table function. It is distributed by the CDC as a national vital statistics report.
This site, maintained by Villanova University shows how to "[c]onstruct a life table for humans based on data gathered from a local cemetery. . . [and c]alculate a survivorship curve."
This is a population biology site maintained by Michigan State University. It demonstrates the creation of life tables for humans and nonhuman species.