| 287 | DJ Redfern (151) & GP Smith (157) | England Under-19s v New Zealand Under-19s | County Ground, Taunton | 2008 |
| 266 | [unknown] & [unknown] | England Under-19s v West Indies Under-19s | County Ground, Hove | 1993 |
| 220 | JP Duminy (116) & AB de Villiers (99) | South Africa Under-19s v England Under-19s | County Ground, New Road, Worcester | 2003 |
| 218 | SD Heazlett (160) & JR Doran (169) | Australia Under-19s v England Under-19s | Western Australia Cricket Association Ground, Perth | 2014/15 |
| 212 | GS Blewett (164) & AC Gilchrist (106) | Australia Young Cricketers v England Young Cricketers | County Ground, Chelmsford | 1991 |
| 210 | [unknown] & [unknown] | Pakistan Under-19s v Australia Under-19s | Gaddafi Stadium, Lahore | 1996/97 |
| 205 | [unknown] & [unknown] | India Under-19s v England Under-19s | County Ground, Taunton | 1994 |
| 202 | HPN Singh (104) & MF Hurst (116) | England Under-19s v Sri Lanka Under-19s | The Incora County Ground, Derby | 2022 |
| 191 | [unknown] & [unknown] | Pakistan Under-19s v Australia Under-19s | Heritage Oval, Toowoomba | 1997/98 |
| 189 | [unknown] & [unknown] | West Indies Young Cricketers v England Young Cricketers | Mindoo Phillip Park, Castries | 1979/80 |
| 184 | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Arbab Niaz Stadium, Peshawar | 2006/07 |
| 174 | [unknown] & [unknown] | New Zealand Under-19s v India Under-19s | Brabourne Stadium, Bombay | 1991/92 |
| 174 | DJ Bell-Drummond (88*) & A Javid (89) | England Under-19s v Sri Lanka Under-19s | North Marine Road, Scarborough | 2010 |
| 170 | TA Willett (103) & N Deonarine (89*) | West Indies Under-19s v England Under-19s | Riverside Ground, Chester-le-Street | 2001 |
| 166 | RR Hendricks (156) & JD Vandiar (103) | South Africa Under-19s v Bangladesh Under-19s | Sedgars Park, Potchefstroom | 2007/08 |
| 166 | Mehedi Hasan (105) & Mosaddek Hossain (107) | Bangladesh Under-19s v Sri Lanka Under-19s | Shere Bangla National Stadium, Mirpur | 2013 |
| 166 | OJ Peake (117) & A Lee Young (66) | Australia Under-19s v India Under-19s | MA Chidambaram Stadium, Chepauk, Chennai | 2024/25 |
| 163 | [unknown] & [unknown] | India Under-19s v Australia Under-19s | Vellyani Agricultural College Ground, Thiruvananthapuram | 1993/94 |
| 160* | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Municipal Stadium, Gujranwala | 1988/89 |
| 157 | [unknown] & [unknown] | Pakistan Under-19s v India Under-19s | Wankhede Stadium, Bombay | 1989/90 |
| 154 | K Ali (155) & JL Sadler (64) | England Under-19s v West Indies Under-19s | Trent Bridge, Nottingham | 2001 |
| 151 | [unknown] & [unknown] | Pakistan Young Cricketers v England Young Cricketers | County Ground, Taunton | 1990 |
| 143 | H Singh (100) & RR Hicks (131) | Australia Under-19s v England Under-19s | County Ground, Northampton | 2023 |
| 142 | Mahmudul Hasan (114) & Towhid Hridoy (76) | Bangladesh Under-19s v England Under-19s | MA Aziz Stadium, Chittagong | 2018/19 |
| 140 | [unknown] & [unknown] | West Indies Under-19s v Pakistan Under-19s | Kensington Oval, Bridgetown | 1996/97 |
| 138 | GJ Muchall (254) & BM Shafayat (57) | England Under-19s v India Under-19s | Sophia Gardens, Cardiff | 2002 |
| 138 | M Kalra (122) & RP Das (68) | India Under-19s v England Under-19s | Queen's Park, Chesterfield | 2017 |
| 137 | SWMAP Wanninayake (132) & RM Somarathne (65) | Sri Lanka Under-19s v England Under-19s | The Cloud County Ground, Chelmsford | 2022 |
| 135* | [unknown] & [unknown] | Pakistan Under-19s v India Under-19s | Iqbal Stadium, Faisalabad | 1988/89 |
| 134 | [unknown] & [unknown] | West Indies Under-19s v England Under-19s | County Ground, Hove | 1993 |
| 134 | RJ Nicol (87*) & LRPL Taylor (72) | New Zealand Under-19s v South Africa Under-19s | Bert Sutcliffe Oval, Lincoln | 2000/01 |
| 134* | TA Willett (87*) & OAC Banks (50*) | West Indies Under-19s v England Under-19s | Trent Bridge, Nottingham | 2001 |
| 132 | CP Jewell (109*) & JR Doran (76) | Australia Under-19s v England Under-19s | Emirates Durham International Cricket Ground, Chester-le-Street | 2015 |
| 131 | [unknown] & [unknown] | Australia Under-19s v New Zealand Young Cricketers | Brisbane Cricket Ground, Woolloongabba, Brisbane | 1985/86 |
| 131 | S Gill (102) & RP Das (52) | India Under-19s v England Under-19s | County Ground, New Road, Worcester | 2017 |
| 129 | [unknown] & [unknown] | India Under-19s v England Under-19s | Eden Gardens, Calcutta | 1992/93 |
| 127 | AG Puttick (116) & JA Rudolph (105) | South Africa Under-19s v Pakistan Under-19s | Sheikhupura Stadium, Sheikhupura | 1998/99 |
