| 391 | G Gambhir (212) & VR Mane (201) | India Under-19s v England Under-19s | MA Chidambaram Stadium, Chepauk, Chennai | 2000/01 |
| 268 | DA Marillier (150) & MA Vermeulen (134) | Zimbabwe Under-19s v England Under-19s | County Ground, Northampton | 1997 |
| 256 | MJ Slater (196) & RC Kelly (123) | Australia Under-19s v New Zealand Young Cricketers | University Oval, Adelaide | 1988/89 |
| 247 | ME Trescothick (136) & A McGrath (187) | England Under-19s v South Africa Under-19s | County Ground, Taunton | 1995 |
| 231 | PR Dave (132) & A Dani (111) | India Under-19s v England Under-19s | Feroz Shah Kotla, Delhi | 1992/93 |
| 228 | Azan Awais (104) & Shahzaib Khan (161) | Pakistan Under-19s v Sri Lanka Under-19s | National Bank of Pakistan Sports Complex, Karachi | 2023/24 |
| 213 | CJ Davies (109) & MJ North (132) | Australia Under-19s v Pakistan Under-19s | Sheikhupura Stadium, Sheikhupura | 1996/97 |
| 208* | MR Ramprakash (120*) & MA Atherton (84*) | England Young Cricketers v Sri Lanka Young Cricketers | Galle International Stadium, Galle | 1986/87 |
| 198 | SD Peters (145) & RWT Key (81) | England Under-19s v Zimbabwe Under-19s | County Ground, Northampton | 1997 |
| 198 | BA Godleman (71) & AG Wakely (112) | England Under-19s v Pakistan Under-19s | North Marine Road, Scarborough | 2007 |
| 188 | BJ Dawkins (136) & ARG Thomas (91) | England Under-19s v India Under-19s | Ambassador Cruise Line Ground, Chelmsford | 2025 |
| 170 | Imran Nazir (136) & Taufeeq Umar (74) | Pakistan Under-19s v South Africa Under-19s | Jinnah Stadium, Sialkot | 1998/99 |
| 166 | ME Trescothick (88) & A McGrath (75) | England Under-19s v South Africa Under-19s | County Ground, New Road, Worcester | 1995 |
| 156 | DR Reynolds (77) & JK Pyke (136*) | Australia Under-19s v India Under-19s | Moin-ul-Haq Stadium, Patna | 1984/85 |
| 156 | Rashid Mahmood (76) & Mujahid Jamshed (98) | Pakistan Young Cricketers v England Young Cricketers | County Ground, Northampton | 1990 |
| 156 | RA Lawson (80) & MG Croy (62) | New Zealand Under-19s v Pakistan Under-19s | Iqbal Stadium, Faisalabad | 1993/94 |
| 156 | SJ Konstas (84*) & HT Dixon (83) | Australia Under-19s v England Under-19s | County Ground, New Road, Worcester | 2023 |
| 151 | SKW Wood (95) & DJ Bell-Drummond (43) | England Under-19s v Sri Lanka Under-19s | P Sara Oval, Colombo | 2010/11 |
| 146 | NT Wood (53) & MP Vaughan (99) | England Under-19s v Sri Lanka Under-19s | Khettarama Stadium, Colombo | 1993/94 |
| 145 | Inam-ul-Haq (76) & Majeed Jahangir (83) | Pakistan Under-19s v Australia Under-19s | Manuka Oval, Canberra | 1997/98 |
| 144 | A Dayal (61) & R Kalsi (91) | India Under-19s v Australia Under-19s | Deakin Reserve, Shepparton | 1986/87 |
| 144 | MHW Papps (127) & TG McIntosh (81) | New Zealand Under-19s v England Under-19s | Basin Reserve, Wellington | 1998/99 |
| 140 | MA Gough (95) & IN Flanagan (60) | England Under-19s v Australia Under-19s | Edgbaston, Birmingham | 1999 |
| 140 | WU Tharanga (61) & HE Vithana (114) | Sri Lanka Under-19s v Pakistan Under-19s | Multan Cricket Stadium, Multan | 2004/05 |
| 139 | DR Reynolds (52) & JM Causon (117) | Australia Under-19s v New Zealand Young Cricketers | Albert Ground, Melbourne | 1985/86 |
| 139 | JJ Cobb (220) & JC Mickleburgh (57) | England Under-19s v Bangladesh Under-19s | North Marine Road, Scarborough | 2009 |
| 138 | JK Denly (69) & BS McKinney (72) | England Under-19s v Australia Under-19s | County Ground, New Road, Worcester | 2023 |
| 136 | C Gladwin (86) & IP Butcher (76) | England Young Cricketers v India Young Cricketers | County Ground, Chelmsford | 1981 |
| 135 | CA Pujara (211) & P Aziz (58) | India Under-19s v England Under-19s | Keenan Stadium, Jamshedpur | 2004/05 |
| 133 | Rizwan-uz-Zaman (66) & Talat Mirza (93) | Pakistan Under-19s v India Under-19s | MA Chidambaram Stadium, Chepauk, Madras | 1978/79 |
| 133 | VM Malhotra (76) & V Suryavanshi (104) | India Under-19s v Australia Under-19s | MA Chidambaram Stadium, Chepauk, Chennai | 2024/25 |
| 132 | JC Young (69) & BJ Ruddell (68) | Australia Young Cricketers v England Young Cricketers | Western Australia Cricket Association Ground, Perth | 1989/90 |
| 129 | LD Chandimal (184) & MDUS Jayasundera (55) | Sri Lanka Under-19s v Bangladesh Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2009 |
| 129 | SA Northeast (149) & JK Manuel (54) | England Under-19s v Bangladesh Under-19s | County Ground, Derby | 2009 |
| 126 | BD Williams (68) & GJ Chambers (57) | Australia Under-19s v New Zealand Young Cricketers | Hagley Oval, Christchurch | 1986/87 |
| 126 | AD Jadeja (72) & MS Kadrekar (56) | India Under-19s v Pakistan Under-19s | Modi Stadium, Kanpur | 1989/90 |
| 126 | PR Dave (75) & A Dani (70) | India Under-19s v England Under-19s | Eden Gardens, Calcutta | 1992/93 |
| 125 | JM Aiken (53) & BA Pocock (65) | New Zealand Young Cricketers v England Young Cricketers | St Lawrence Ground, Canterbury | 1989 |
