0124-7913 0124-7913 S0124-79132021000200015 10.15446/bitacora.v31n2.86800 Peru 00 08 2021 00 08 2021 31 2 15 26

2014 2017 35 1 1 3-20 2015 2019 1984 2014 2003 1998 2016 2018 2007 31 31 731-72 2017 2004 2009 43 6 6 819-30 2010 2011 35 2 2 223-38 1961 2020 2014 2009 66 66 2018 ONU-United Nations, Department of Economic and Social Affairs, Population Division 2018 2009 13 3 3 246-63