| 236 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | Moin-ul-Haq Stadium, Patna | 1984/85 |
| 199 | N Wadhera (82) & A Badoni (185*) | India Under-19s v Sri Lanka Under-19s | Nondescripts Cricket Club Ground, Colombo | 2018 |
| 187 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | MA Chidambaram Stadium, Chepauk, Madras | 1993/94 |
| 177 | JC Hildreth (210) & SM Davies (71) | England Under-19s v Bangladesh Under-19s | County Ground, Taunton | 2004 |
| 175 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | Melbourne Cricket Ground, Melbourne | 1994/95 |
| 175 | [unknown] & [unknown] | South Africa Under-19s v England Under-19s | County Ground, Taunton | 1995 |
| 171 | [unknown] & [unknown] | Australia Under-19s v Sri Lanka Under-19s | Melbourne Cricket Ground, Melbourne | 1983/84 |
| 166 | Hasan Raza (188*) & Shoaib Malik (69) | Pakistan Under-19s v South Africa Under-19s | National Stadium, Karachi | 1998/99 |
| 165 | MDKJ Perera (114*) & RJI Udayanga (78) | Sri Lanka Under-19s v Bangladesh Under-19s | Bir Shrestha Shahid Flight Lieutenant Motiur Rahman Stadium, Khulna | 2009 |
| 161 | MUCP Mendis (53*) & RS Kaluwitharana (119) | Sri Lanka Young Cricketers v England Young Cricketers | Galle International Stadium, Galle | 1986/87 |
| 161 | DMW Rawlins (140) & WG Jacks (77) | England Under-19s v India Under-19s | Vidarbha Cricket Association Stadium, Nagpur | 2016/17 |
| 158 | [unknown] & [unknown] | Sri Lanka Under-19s v Pakistan Under-19s | Quaid-e-Azam Park, Karachi | 2004/05 |
| 156 | A Javid (90) & Azeem Rafiq (82) | England Under-19s v Sri Lanka Under-19s | County Ground, Northampton | 2010 |
| 152 | JR Doran (103) & JA Richardson (87) | Australia Under-19s v England Under-19s | Emirates Durham International Cricket Ground, Chester-le-Street | 2015 |
| 144 | [unknown] & [unknown] | India Under-19s v Australia Under-19s | Moin-ul-Haq Stadium, Patna | 1984/85 |
| 144 | AD Thomason (67) & RC Davies (73) | England Under-19s v Australia Under-19s | Emirates Durham International Cricket Ground, Chester-le-Street | 2015 |
| 143 | [unknown] & [unknown] | Pakistan Under-19s v Sri Lanka Under-19s | Multan Cricket Stadium, Multan | 2004/05 |
| 142 | [unknown] & [unknown] | New Zealand Young Cricketers v England Young Cricketers | North Marine Road, Scarborough | 1989 |
| 141 | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Modi Stadium, Kanpur | 1989/90 |
| 141 | [unknown] & [unknown] | England Under-19s v India Under-19s | Edgbaston, Birmingham | 1994 |
| 141 | KR Khadkikar (65) & A Ratra (94) | India Under-19s v England Under-19s | Wankhede Stadium, Mumbai | 2000/01 |
| 140 | D Thissakuttige (70*) & L Abeyratne (97) | Sri Lanka Under-19s v England Under-19s | Galle International Stadium, Galle | 2010/11 |
| 139 | [unknown] & [unknown] | England Under-19s v Zimbabwe Under-19s | Queens Sports Club, Bulawayo | 1995/96 |
| 136 | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Feroz Shah Kotla, Delhi | 1989/90 |
| 131 | SK Raina (72) & SS Paul (115) | India Under-19s v England Under-19s | Sophia Gardens, Cardiff | 2002 |
| 127* | [unknown] & [unknown] | Australia Under-19s v Pakistan Under-19s | National Stadium, Karachi | 1980/81 |
| 127 | MP Taiaroa (102) & CJ Anderson (88) | New Zealand Under-19s v India Under-19s | Carisbrook, Dunedin | 2006/07 |
| 126 | K Ali (59) & PD Trego (90) | England Under-19s v Sri Lanka Under-19s | Trent Bridge, Nottingham | 2000 |
| 120 | [unknown] & [unknown] | India Under-19s v England Under-19s | Headingley, Leeds | 1994 |
| 119 | JEC Franklin (127) & PD McGlashan (39) | New Zealand Under-19s v England Under-19s | Molyneux Park, Alexandra | 1998/99 |
| 117 | BB McCullum (100) & LJ Woodcock (38) | New Zealand Under-19s v South Africa Under-19s | Pukekura Park, New Plymouth | 2000/01 |
| 113 | [unknown] & [unknown] | India Under-19s v Australia Under-19s | MA Chidambaram Stadium, Chepauk, Madras | 1984/85 |
| 112 | [unknown] & [unknown] | Australia Young Cricketers v England Young Cricketers | North Sydney Oval, Sydney | 1989/90 |
| 111* | MM Ali (100*) & JL Denly (36*) | England Under-19s v Sri Lanka Under-19s | Headingley, Leeds | 2005 |
| 110 | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Wankhede Stadium, Bombay | 1989/90 |
| 110 | [unknown] & [unknown] | England Under-19s v South Africa Under-19s | Headingley, Leeds | 1995 |
| 110 | Mahmudul Hasan (74) & Shahadat Hossain (56) | Bangladesh Under-19s v England Under-19s | MA Aziz Stadium, Chittagong | 2018/19 |
| 110 | JLR Carney (41) & DC Kelly (88) | England Under-19s v Australia Under-19s | County Ground, Northampton | 2023 |
| 106 | Farhan Adil (50) & Abdul Razzaq (64) | Pakistan Under-19s v South Africa Under-19s | Springbok Park, Bloemfontein | 1996/97 |
| 106 | AS Naidu (83) & A Ratra (43) | India Under-19s v England Under-19s | Wankhede Stadium, Mumbai | 2000/01 |
| 105 | Nazimuddin (65) & Nadif Chowdhury (37) | Bangladesh Under-19s v England Under-19s | Sophia Gardens, Cardiff | 2004 |
| 105 | AM Rossington (113) & SJ Thakor (47) | England Under-19s v Sri Lanka Under-19s | Galle International Stadium, Galle | 2010/11 |
| 104 | JC Powell (57) & GP Swann (156*) | England Under-19s v Zimbabwe Under-19s | County Ground, Northampton | 1997 |
| 103* | ML Nkala (101*) & C Delport (50*) | Zimbabwe Under-19s v England Under-19s | County Ground, Northampton | 1997 |
| 103 | Hamza Khan (81) & Hasan Mohsin (60) | Pakistan Under-19s v Sri Lanka Under-19s | Mahinda Rajapaksha International Cricket Stadium, Hambantota | 2015/16 |
| 102 | KIC Asalanka (200) & PVR de Silva (36) | Sri Lanka Under-19s v Pakistan Under-19s | Uyanwatte Stadium, Matara | 2015/16 |
| 101 | GP Smith (150*) & BC Brown (49) | England Under-19s v New Zealand Under-19s | County Ground, New Road, Worcester | 2008 |
| 100 | JG Myburgh (63) & TL Tsolekile (37) | South Africa Under-19s v Pakistan Under-19s | Jinnah Stadium, Sialkot | 1998/99 |