 The number of stay @-@ at @-@ home dads began gradually increasing in the late 20th century , especially in developed Western nations . The recent statistic that Pew Research released , showed a report in June 2014 that found 2 million men to be stay @-@ at @-@ home dads . However , in 2010 , the number of stay @-@ at @-@ home dads had reached its highest point of 2 @.@ 2 million . 
 The number of stay @-@ at @-@ home dads began gradually increasing in the late 20th century , especially in developed Western nations . The recent statistic <a href='null_relcl' title='1'><mark>that</mark></a>Pew Research released , showed a report in June 2014 <a href='null_relcl' title='2'><mark>that</mark></a>found 2 million men to be stay @-@ at @-@ home dads . However , in 2010 , the number of stay @-@ at @-@ home dads <a href='been_done' title='3'><mark>had</mark></a> reached its highest point of 2 @.@ 2 million . 
The number of stay @-@ at @-@ home dads began gradually increasing in the late 20th century , especially in developed Western nations . The recent statistic Pew Research released , showed a report in June 2014 found 2 million men to be stay @-@ at @-@ home dads . However , in 2010 , da number of stay @-@ at @-@ home dads done reached its highest point of 2 @.@ 2 million .