There always seems to be some contention whether which IP is the biggest for Nintendo. While Mario is definitely the purer intellectual property having been fully developed in-house, as opposed to Pokemon where Nintendo is involved with a trio of partners, there's still a matter of which IP sells more? Well here is some IR Nintendo data (also some from sourced wikipedia) that may lead to a more conclusive answer.
Mario series - Top 30 Sellers
01. Super Mario Bros. [40.24 million]
02. Mario Kart Wii [36.83 million]
03. New Super Mario Bros. [30.80 million]
04. New Super Mario Bros. Wii [29.90 million]
05. Mario Kart DS [23.60 million]
06. Super Mario World [20.60 million]
07. Super Mario Land [18.06 million]
08. Super Mario Bros. 3 [18 million]
09. Mario Kart 7 [13.94 million]
10. Super Mario Galaxy [12.72 million]
11. Super Mario 64 [11.89 million]
12. Super Mario Land 2: 6 Golden Coins [11.09 million]
13. Super Mario 64 DS [11.06 million]
14. Super Mario 3D Land [10.98 million]
15. New Super Mario Bros. 2 [10.60 million]
16. Super Mario All-Stars [10.55 million]
17. Super Mario Bros. 2 [10 million]
18. Mario Kart 64 [9.87 million]
19. Mario Party DS [8.90 million]
20. Mario Party 8 [8.85 million]
21. Super Mario Kart [8.76 million]
22. Mario Kart 8 [8 million]
23. Super Mario Galaxy 2 [7.67 million]
24. Mario Kart: Double Dash [7 million]
25. Super Mario Sunshine [6.31 million]
26. Mario Kart: Super Circuit [5.91 million]
27. New Super Mario Bros. U [5.45 million]
28. Super Mario 3D World [5.19 milion]
29. Super Paper Mario [4.23 million]
30. Super Mario Advance 2: Super Mario World [4.18 million]
* Did not consider Luigi/Peach/Yoshi/Wario games nor co-starring games like Mario & Donkey Kong or Mario & Sonic.
Pokemon series - Top 30 Sellers
01. Pokemon Red / Blue [23.64 million] *2 SKUS
02. Pokemon Gold / Silver [23 million] *2 SKUS
03. Pokemon Diamond / Pearl [17.64 million] *2 SKUS
04. Pokemon Ruby / Sapphire [16.22 million] *2 SKUS
05. Pokemon X / Y [15.64 million] *2 SKUS
06. Pokemon Black / White [15.62 million] *2 SKUS
07. Pokemon Omega Ruby / Alpha Sapphire [13.18 million] *2 SKUS
08. Pokemon HeartGold / Soul Silver [12.72 million] *2 SKUS
09. Pokemon FireRed / LeafGreen [11.82 million] *2 SKUS
10. Pokemon Sun / Moon [11.00 million] *STILL SELLING
11. Pokemon Yellow (Green) [8.86 million]
12. Pokemon Black 2 / White 2 [7.97 million] *2 SKUS
13. Pokemon Platinum [7.69 million]
14. Pokemon Emerald [6.32 million]
15. Pokemon Mysteru Dungeon: Explores of Time / Explorers of Darkness [4.93 million] *2 SKUS
16. Pokemon Stadium [3.97 million]
17. Pokemon Crystal [3.85 million]
18. Pokemon Trading Card Came [3 million]
19. Pokemon Snap [2.72 million]
20. Pokemon Ranger [2.70 million]
21. Pokemon Colosseum [2.54 million]
22. Pokemon Pinball: Ruby & Sapphire [2.50 million]
23. Pokemon Stadium 2 [2.15 million]
24. Pokemon Ranger: Shadows of Almia [2.04 million]
25. Pokemon Mystery Dungeon: Explorers of SKu [1.4 million]
26. Pokemon XD: Gale of Darkness [1.25 million]
27. Pokemon Super Mystery Dungeon [1.22 million]
28. Pokemon Pinball [1.22 million]
29. Pokemon Battle Revolution [1.20 million]
30. Pokken Tournament [1 million]
TOP 30 MARIO SALES (411.18 million) > TOP 30 POKEMON SALES (229.01 million)
Besides Mario Kart being the IP with the highest sales mark (SMB on NES data is a bit questionable), how do general Mario and Pokemon sales compare?
Mario series - Top 30 Sellers
01. Super Mario Bros. [40.24 million]
02. Mario Kart Wii [36.83 million]
03. New Super Mario Bros. [30.80 million]
04. New Super Mario Bros. Wii [29.90 million]
05. Mario Kart DS [23.60 million]
06. Super Mario World [20.60 million]
07. Super Mario Land [18.06 million]
08. Super Mario Bros. 3 [18 million]
09. Mario Kart 7 [13.94 million]
10. Super Mario Galaxy [12.72 million]
11. Super Mario 64 [11.89 million]
12. Super Mario Land 2: 6 Golden Coins [11.09 million]
13. Super Mario 64 DS [11.06 million]
14. Super Mario 3D Land [10.98 million]
15. New Super Mario Bros. 2 [10.60 million]
16. Super Mario All-Stars [10.55 million]
17. Super Mario Bros. 2 [10 million]
18. Mario Kart 64 [9.87 million]
19. Mario Party DS [8.90 million]
20. Mario Party 8 [8.85 million]
21. Super Mario Kart [8.76 million]
22. Mario Kart 8 [8 million]
23. Super Mario Galaxy 2 [7.67 million]
24. Mario Kart: Double Dash [7 million]
25. Super Mario Sunshine [6.31 million]
26. Mario Kart: Super Circuit [5.91 million]
27. New Super Mario Bros. U [5.45 million]
28. Super Mario 3D World [5.19 milion]
29. Super Paper Mario [4.23 million]
30. Super Mario Advance 2: Super Mario World [4.18 million]
* Did not consider Luigi/Peach/Yoshi/Wario games nor co-starring games like Mario & Donkey Kong or Mario & Sonic.
Pokemon series - Top 30 Sellers
01. Pokemon Red / Blue [23.64 million] *2 SKUS
02. Pokemon Gold / Silver [23 million] *2 SKUS
03. Pokemon Diamond / Pearl [17.64 million] *2 SKUS
04. Pokemon Ruby / Sapphire [16.22 million] *2 SKUS
05. Pokemon X / Y [15.64 million] *2 SKUS
06. Pokemon Black / White [15.62 million] *2 SKUS
07. Pokemon Omega Ruby / Alpha Sapphire [13.18 million] *2 SKUS
08. Pokemon HeartGold / Soul Silver [12.72 million] *2 SKUS
09. Pokemon FireRed / LeafGreen [11.82 million] *2 SKUS
10. Pokemon Sun / Moon [11.00 million] *STILL SELLING
11. Pokemon Yellow (Green) [8.86 million]
12. Pokemon Black 2 / White 2 [7.97 million] *2 SKUS
13. Pokemon Platinum [7.69 million]
14. Pokemon Emerald [6.32 million]
15. Pokemon Mysteru Dungeon: Explores of Time / Explorers of Darkness [4.93 million] *2 SKUS
16. Pokemon Stadium [3.97 million]
17. Pokemon Crystal [3.85 million]
18. Pokemon Trading Card Came [3 million]
19. Pokemon Snap [2.72 million]
20. Pokemon Ranger [2.70 million]
21. Pokemon Colosseum [2.54 million]
22. Pokemon Pinball: Ruby & Sapphire [2.50 million]
23. Pokemon Stadium 2 [2.15 million]
24. Pokemon Ranger: Shadows of Almia [2.04 million]
25. Pokemon Mystery Dungeon: Explorers of SKu [1.4 million]
26. Pokemon XD: Gale of Darkness [1.25 million]
27. Pokemon Super Mystery Dungeon [1.22 million]
28. Pokemon Pinball [1.22 million]
29. Pokemon Battle Revolution [1.20 million]
30. Pokken Tournament [1 million]
TOP 30 MARIO SALES (411.18 million) > TOP 30 POKEMON SALES (229.01 million)
Besides Mario Kart being the IP with the highest sales mark (SMB on NES data is a bit questionable), how do general Mario and Pokemon sales compare?