World population ageing. 
 World population ageing,  2013. 

 - xiii, 95 pages ;  21 cm. 
<br/><br/> PTSL : 2013 
<br/><br/><label>ISBN: </label>9789211515152  RM143.03 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Older people--Statistics.<br/>Age distribution (Demography)--Statistics.<br/>Population--Statistics.