According to Famitsu these are the best selling jrpg's of this generation.
Top 15.
1. Pokémon Diamond / Pearl (NDS) --- 5,751,997
2. Pokémon White/Black (NDS) --- 5,176,188
3. Dragon Quest IX: Defenders of the Starry Sky (NDS) --- 4,324,925
4. Pokémon Heart Gold/Soul Silver (NDS) --- 3,889,104
5. Pokémon Platinum (NDS) --- 2,515,827
6. Final Fantasy XIII (PS3) --- 1,904,313
7. Pokémon Mystery Dungeon Time/Darkness (NDS) --- 1,574,006
8. Dragon Quest Monsters: Joker Square Enix (NDS) --- 1,513,555
9. Dragon Quest VI: Realms of Reverie (NDS) --- 1,297,344
10. Dragon Quest Monsters: Joker 2 (NDS) --- 1,283,423
11. Dragon Quest V (NDS) --- 1,244,531
12. Dragon Quest IV (NDS) --- 1,222,145
13. Inazuma Eleven 2: Threat of the Invaders - Fire/Blizzard (NDS) --- 1,145,388
14. Final Fantasy III (NDS) --- 1,050,708
15. Inazuma Eleven 3 Challenge to the World! Spark Bomber (NDS) --- 890,440
Top 10 non Pokémon - Dragon Quest and Final Fantasy jrpg's.
1. Inazuma Eleven 2: Threat of the Invaders - Fire/Blizzard (NDS) --- 1,145,388
2. Inazuma Eleven 3 Challenge to the World! Spark Bomber (NDS) --- 890,440
3. Kingdom Hearts: Birth by Sleep (PSP) --- 733,248
4. Mario & Luigi RPG 3 (NDS) --- 717,940
5. Phantasy Star Portable (PSP) --- 659,130
6. Mega Man Star Force: Pegasus / Leo / Dragon (NDS) --- 593,675
7. Phantasy Star Portable 2 (PSP) --- 590,527
8. Ni no Kuni (NDS) --- 529,218
9. Kingdom Hearts: 358/2 Days (NDS) --- 522,260
10. Chrono Trigger (NDS) --- 485,885
Top 10 new jrpg Ip's.
1. Inazuma Eleven 2: Threat of the Invaders - Fire/Blizzard (NDS) --- 1,145,388
2. Inazuma Eleven 3 Challenge to the World! Spark Bomber (NDS) --- 890,440
3. Ni no Kuni (NDS) --- 529,218
4. Inazuma Eleven 3 Challenge to the World! Di auger (NDS) --- 411,573
5. Inazuma Eleven (NDS) --- 396,284
6. White Knight Chronicles (PS3) --- 339,690
7. Super Kaseki Horida (NDS) --- 281,531
8. Demon's Souls (PS3) --- 265,410
9. Bokura wa Kaseki Holder (NDS) --- 253,350
10. White Knight Chronicles 2 (PS3) --- 249,350
Top 10 console jrpg's.
1. Final Fantasy XIII (PS3) --- 1,904,313
2. Dragon Quest Swords: The Masked Queen and the Tower of Mirrors (Wii) --- 486,222
3. Tales of Vesperia (PS3) --- 385,242
4. White Knight Chronicles (PS3) --- 339,690
5. Tales of Graces F (PS3) --- 313,215
6. Demon's Souls (PS3) --- 265,410
7. White Knight Chronicles 2 (PS3) --- 249,350
8. Valkyria Chronicles (PS3) --- 224,333
9. Tales of Graces (Wii) --- 223,666
10. Tales of Symphonia: Dawn of the New World (Wii) --- 212,408