| Rank |
Nation |
Swimmers |
Preliminary |
Final |
| Points |
Rank |
Points |
Rank |
 |  Russia | Svetlana Kolesnichenko
Svetlana Romashina | 95.9501 | 1 | 95.9010 | 1 |
 |  China | Huang Xuechen
Sun Wenyan | 93.4148 | 2 | 94.0072 | 2 |
 |  Ukraine | Marta Fiedina
Anastasiya Savchuk | 92.0610 | 3 | 92.5847 | 3 |
| 4 |  Japan | Yukiko Inui
Megumu Yoshida | 91.9210 | 4 | 92.1116 | 4 |
| 5 |  Italy | Linda Cerruti
Costanza Ferro | 88.6622 | 5 | 90.1743 | 5 |
| 6 |  Canada | Claudia Holzner
Jacqueline Simoneau | 87.7412 | 6 | 88.8659 | 6 |
| 7 |  Spain | Paula Ramírez
Sara Saldaña | 87.4027 | 7 | 87.2960 | 7 |
| 8 |  Austria | Anna-Maria Alexandri
Eirini-Marina Alexandri | 86.1410 | 8 | 87.0378 | 8 |
| 9 |  Greece | Evangelia Papazoglou
Evangelia Platanioti | 85.6252 | 10 | 86.4975 | 9 |
| 10 |  France | Charlotte Tremble
Laura Tremble | 85.7983 | 9 | 86.2420 | 10 |
| 11 |  Mexico | Nuria Diosdado
Joana Jiménez | 84.5751 | 11 | 84.9938 | 11 |
| 12 |  United States | Anita Alvarez
Ruby Remati | 84.4615 | 12 | 84.0190 | 12 |
| 13 |  Netherlands | Bregje de Brouwer
Noortje de Brouwer | 83.8188 | 13 | did not advance |
| 14 |  Great Britain | Kate Shortman
Isabelle Thorpe | 83.5904 | 14 |
| 15 |  Kazakhstan | Alexandra Nemich
Yekaterina Nemich | 82.4232 | 15 |
| 16 |  Belarus | Vasilina Khandoshka
Valeryia Valasach | 81.8044 | 16 |
| 17 |  Brazil | Luisa Borges
Maria Coutinho | 81.0395 | 17 |
| 18 |  Switzerland | Vivienne Koch
Noemi Peschl | 80.8136 | 18 |
| 19 |  Israel | Eden Blecher
Shelly Bobritsky | 80.3788 | 19 |
| 20 |  Germany | Marlene Bojer
Daniela Reinhardt | 79.8807 | 20 |
| 21 |  Colombia | Estefanía Álvarez
Mónica Arango | 79.1640 | 21 |
| 22 |  Liechtenstein | Lara Mechnig
Marluce Schierscher | 78.1800 | 22 |
| 23 |  Uzbekistan | Anna Eltisheva
Anastasiya Morozova | 77.6988 | 23 |
| 24 |  Slovakia | Nada Daabousová
Diana Miškechová | 76.6795 | 24 |
| 25 |  Portugal | Maria Gonçalves
Cheila Vieira | 76.2328 | 25 |
| 26 |  Turkey | Defne Bakırcı
Mısra Gündeş | 76.1084 | 26 |
| 27 |  Singapore | Debbie Soh
Miya Yong | 76.0941 | 27 |
| 28 |  Egypt | Laila Mohsen
Dara Tamer | 76.0662 | 28 |
| 29 |  Hungary | Janka Dávid
Boglárka Gács | 75.8968 | 29 |
| 30 |  Argentina | Camila Arregui
Trinidad López | 75.5435 | 30 |
| 31 |  South Korea | Baek Seo-yeon
Lee Ri-young | 74.8296 | 31 |
| 32 |  Czech Republic | Karolína Klusková
Aneta Mrázková | 74.5514 | 32 |
| 33 |  San Marino | Jasmine Verbena
Jasmine Zonzini | 74.3178 | 33 |
| 34 |  Serbia | Nevena Dimitrijević
Jelena Kontić | 74.2928 | 34 |
| 35 |  Australia | Rose Stackpole
Amie Thompson | 74.1141 | 35 |
| 36 |  Chile | Isidora Letelier
Natalie Lubascher | 73.3622 | 36 |
| 37 |  Aruba | Abigail de Veer
Kyra Hoevertsz | 72.3827 | 37 |
| 38 |  Bulgaria | Aleksandra Atanasova
Dalia Penkova | 72.3751 | 38 |
| 39 |  Poland | Gabriela Damentka
Aleksandra Filipiuk | 71.2235 | 39 |
| 40 |  Cuba | Gabriela Alpajón
Carelys Valdes | 66.7881 | 40 |
| 41 |  New Zealand | Eva Morris
Eden Worsley | 65.8879 | 41 |
| 42 |  South Africa | Emma Manners-Wood
Laura Strugnell | 65.4588 | 42 |
| 43 |  Costa Rica | Natalia Jenkins
Valeria Lizano | 63.9830 | 43 |
| 44 |  Thailand | Pongpimporn Pongsuwan
Arpapat Saengrusamee | 62.1222 | 44 |
| 45 |  Macau | Chan Chi Ian
Chan Ka Hei | 60.7235 | 45 |
