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| {{fbu|20|UZB}} || {{sort|*|Tuan Rumah}} || Ke-7 || {{sort|02|Runner-up}} ([[Kejuaraan U-19 AFC 2008|2008]])
|-
second-placed teams|best runners-up]]}} || 20th{{refn|group="note"|name="Vietnam"|Between 1959 and 1974 Vietnam competed at [[Asian Football Confederation#Competitions|AFC tournaments]] as [[South Vietnam]]. A separate [[North Vietnam|North Vietnam state]] did not join [[FIFA]] and they mostly played against other [[List of socialist states|communist]] and communist-sympathising countries.<ref>{{cite book|author1=S. W. Pope|author2=John Nauright|title=Routledge Companion to Sports History|url=https://books.google.com/books?id=IvaSAgAAQBAJ&pg=PA595|date=17 December 2009|publisher=Routledge|isbn=978-1-135-97813-6|pages=595–}}</ref> The team's total appearances included eleven appearances as the [[South Vietnam national under-20 football team]].}} || {{sort|04|Semi-finals}} ([[2016 AFC U-19 Championship|2016]])
| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|A|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup A|Grup A]]}} || ||
|-
| <!--{{fbu|20|KGZ}}-->''Akan ditentukan'' || Top 5 {{sort|BZ2|Juara [[Kualifikasi2023 Piala AsiaAFC U-20 AFCAsian 2023Cup qualification#GrupRanking of second-placed Bteams|Grupbest Brunners-up]]}} || 2nd || {{sort|12|Group stage}} ([[2006 AFC Youth Championship|2006]])
|-
| <!--{{fbu|20|SYR}}-->''Akan ditentukan'' || Top 5 {{sort|CZ3|Juara [[Kualifikasi2023 Piala AsiaAFC U-20 AFCAsian 2023Cup qualification#GrupRanking of second-placed Cteams|Grupbest Crunners-up]]}} || 11th || {{sort|01|'''Champions'''}} ([[1994 AFC Youth Championship|1994]])
|-
| <!--{{fbu|20|CHN}}-->''Akan ditentukan'' || Top 5 {{sort|DZ4|Juara [[Kualifikasi2023 Piala AsiaAFC U-20 AFCAsian 2023Cup qualification#GrupRanking of second-placed Dteams|Grupbest Drunners-up]]}} || 19th || {{sort|01|'''Champions'''}} ([[1985 AFC Youth Championship|1985]])
|-
| <!--{{fbu|20|}}-->''Akan ditentukanTBD'' || Top 5 {{sort|EZ5|Juara [[Kualifikasi2023 Piala AsiaAFC U-20 AFCAsian 2023Cup qualification#GrupRanking Eof second-placed teams|Grupbest Erunners-up]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|F|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup F|Grup F]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|G|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup G|Grup G]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|H|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup H|Grup H]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|I|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup I|Grup I]]}} || ||
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| <!--{{fbu|20|}}-->''Akan ditentukan'' || {{sort|J|Juara [[Kualifikasi Piala Asia U-20 AFC 2023#Grup J|Grup J]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || Peringkat pertama {{sort|Z1|[[Kualifikasi Piala Asia U-20 AFC 2023#Peringkat tim peringkat kedua|runner-up terbaik]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || Peringkat kedua {{sort|Z2|[[Kualifikasi Piala Asia U-20 AFC 2023#Peringkat tim peringkat kedua|runner-up terbaik]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || Peringkat ketiga {{sort|Z3|[[Kualifikasi Piala Asia U-20 AFC 2023#Peringkat tim peringkat kedua|runner-up terbaik]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || Peringkat keempat {{sort|Z4|[[Kualifikasi Piala Asia U-20 AFC 2023#Peringkat tim peringkat kedua|runner-up terbaik]]}} || ||
|-
| <!--{{fbu|20|}}-->''Akan ditentukan'' || Peringkat kelima {{sort|Z5|[[Kualifikasi Piala Asia U-20 AFC 2023#Peringkat tim peringkat kedua|runner-up terbaik]]}} || ||
|}
| 