| 321 | [unknown] & [unknown] | West Indies Young Cricketers v England Young Cricketers | County Ground, New Road, Worcester | 1978 |
| 231 | OE Westbury (196) & GA Bartlett (131) | England Under-19s v Sri Lanka Under-19s | FP Fenner's Ground, Cambridge | 2016 |
| 228 | A Lyth (122) & BJ Wright (105) | England Under-19s v Pakistan Under-19s | North Marine Road, Scarborough | 2007 |
| 222 | [unknown] & [unknown] | Pakistan Under-19s v Bangladesh Under-19s | Multan Cricket Stadium, Multan | 2022/23 |
| 217 | CA Pujara (211) & MK Tiwary (109) | India Under-19s v England Under-19s | Keenan Stadium, Jamshedpur | 2004/05 |
| 200 | VH Zol (173) & SV Samson (89) | India Under-19s v Sri Lanka Under-19s | Rangiri Dambulla International Stadium, Dambulla | 2013 |
| 194 | [unknown] & [unknown] | England Under-19s v India Under-19s | County Ground, Taunton | 1994 |
| 190 | J van Heerden (108) & J Bossr (90) | South Africa Under-19s v Sri Lanka Under-19s | P Sara Oval, Colombo | 2016 |
| 185 | [unknown] & [unknown] | Pakistan Under-19s v India Under-19s | Municipal Stadium, Gujranwala | 1988/89 |
| 185 | RG Whitfield (86) & GJ Bell (107) | England Under-19s v Sri Lanka Under-19s | The Cloud County Ground, Chelmsford | 2022 |
| 183 | KC Brathwaite (168*) & AT Alleyne (106) | West Indies Under-19s v Australia Under-19s | Dubai Sports City Stadium, Dubai | 2011 |
| 180 | [unknown] & [unknown] | India Under-19s v Pakistan Under-19s | Arbab Niaz Stadium, Peshawar | 2006/07 |
| 169 | [unknown] & [unknown] | England Young Cricketers v West Indies Young Cricketers | Arundel Castle Cricket Club Ground, Arundel | 1974 |
| 166 | DR Martyn (181*) & KJ Roberts (65) | Australia Young Cricketers v England Young Cricketers | County Ground, Chelmsford | 1991 |
| 166 | PBB Rajapaksa (129) & AKKY Lanka (213) | Sri Lanka Under-19s v England Under-19s | P Sara Oval, Colombo | 2010/11 |
| 166 | [unknown] & [unknown] | Bangladesh Under-19s v Pakistan Under-19s | Multan Cricket Stadium, Multan | 2022/23 |
| 164 | [unknown] & [unknown] | South Africa Under-19s v England Under-19s | Headingley, Leeds | 1995 |
| 160 | VH Zol (128) & SV Samson (70) | India Under-19s v Sri Lanka Under-19s | Welagedara Stadium, Kurunegala | 2013 |
| 160 | SDL Daniel (155) & PB Pathiraja (55) | Sri Lanka Under-19s v England Under-19s | The Incora County Ground, Derby | 2022 |
| 159 | [unknown] & [unknown] | Pakistan Under-19s v Sri Lanka Under-19s | Quaid-e-Azam Park, Karachi | 2004/05 |
| 158 | PBB Rajapaksa (149) & AKKY Lanka (80) | Sri Lanka Under-19s v England Under-19s | Galle International Stadium, Galle | 2010/11 |
| 155* | Aamer Malik (111*) & Saleem Malik (81*) | Pakistan Under-19s v Australia Under-19s | Sydney Cricket Ground, Sydney | 1981/82 |
| 154 | H Shaikh (84) & R Flintoff (93) | England Under-19s v India Under-19s | The Kent County Cricket Ground, Beckenham | 2025 |
| 152 | K Ali (67) & GJ Muchall (254) | England Under-19s v India Under-19s | Sophia Gardens, Cardiff | 2002 |
| 152 | V Suryavanshi (113) & V Trivedi (140) | India Under-19s v Australia Under-19s | Ian Healy Oval, Brisbane | 2025/26 |
| 151 | [unknown] & [unknown] | England Under-19s v Pakistan Under-19s | County Ground, New Road, Worcester | 1998 |
| 151 | FY Fazal (94) & AT Rayudu (86) | India Under-19s v England Under-19s | Eden Gardens, Kolkata | 2004/05 |
| 150 | BM Shafayat (121) & RS Bopara (69) | England Under-19s v South Africa Under-19s | County Ground, New Road, Worcester | 2003 |
| 149 | MA Gough (54) & OA Shah (104*) | England Under-19s v South Africa Under-19s | Gert Van Rensburg Stadium, Fochville | 1997/98 |
| 149 | SA Northeast (107) & DJ Willey (65) | England Under-19s v Bangladesh Under-19s | County Ground, Derby | 2009 |
| 144 | [unknown] & [unknown] | New Zealand Under-19s v Australia Under-19s | Trust Bank Park, Hamilton | 1992/93 |
| 143 | [unknown] & [unknown] | England Under-19s v South Africa Under-19s | Headingley, Leeds | 1995 |
| 139 | Muhammed Bulbulia (88) & JW Rowles (90) | South Africa Under-19s v England Under-19s | Stellenbosch University Ground, Stellenbosch | 2024/25 |
| 138 | OA Shah (91) & DJG Sales (135) | England Under-19s v New Zealand Under-19s | County Ground, Hove | 1996 |
| 135 | Prantik Nawroz (98) & Alvi Haque (72) | Bangladesh Under-19s v Sri Lanka Under-19s | Sheikh Abu Naser Stadium, Khulna | 2019/20 |
| 131 | [unknown] & [unknown] | Pakistan Under-19s v Australia Under-19s | Sheikhupura Stadium, Sheikhupura | 1996/97 |
| 130 | [unknown] & [unknown] | Australia Under-19s v India Under-19s | Deakin Reserve, Shepparton | 1986/87 |
| 130 | [unknown] & [unknown] | India Under-19s v Australia Under-19s | Drummoyne Oval, Sydney | 1994/95 |
| 129* | Amit Majumder (129*) & Asif Ahmed (50*) | Bangladesh Under-19s v Sri Lanka Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2009 |
| 128 | [unknown] & [unknown] | New Zealand Young Cricketers v Australia Under-19s | Cornwall Park, Auckland | 1986/87 |
| 127 | [unknown] & [unknown] | India Under-19s v Australia Under-19s | MA Chidambaram Stadium, Chepauk, Madras | 1993/94 |
| 125 | [unknown] & [unknown] | England Under-19s v South Africa Under-19s | County Ground, Taunton | 1995 |