List statistics and date updated
The following query will list all the statistics in the current database, and the date they were lasted updated.
SELECT object_name(object_id) AS tablename, name AS index_name, STATS_DATE(object_id, stats_id) AS statistics_update_date FROM sys.stats WHERE object_id > 1000 ORDER BY object_name(object_id), STATS_DATE(object_id, stats_id);