X0505 N-CEN LIVE 0000915813 XXXXXXXX false false N-4 true SECURITY LIFE SEPARATE ACCOUNT A1 811-08196 0000915813 00000000000000000000 7535 East Hampden Ave, Suite 400 Denver 80231 US-CO US 770-618-3885 Security Life of Denver Insurance Company 1475 Dunwoody Drive West Chester 19380 877-886-5050 West Chester office prepares the financial statements for the Company and coordinates with other locations to obtain the necessary information to form the basis for the financial statements. N N N-4 Y Chad M. Eslinger 004182299 1475 Dunwoody Drive West Chester 19380 XXXXXX N N N N N N SLD America Equities, Inc. 008-47089 000036259 N/A N/A Y N Deloitte & Touche LLP 34 N/A N/A N N N N Security Life of Denver Insurance Company N/A YOFNFTDEY0VHBO71S928 Nippon Life Insurance Company Security Life of Denver Insurance Company YOFNFTDEY0VHBO71S928 Y N N 30 N N N N false false false false false false