A dpreview forum member compiled a list of Nikon DSLR camera sales figures based on serial number registrations from the website Photosynthesis:
D1________________37,759
D1H______________12,383
D1X______________47,109
D2H______________39,823
D2HS______________7,838
D2X______________66,839
D2XS_____________25,211
D3_______________95,390
D3S______________65,228
D3X______________23,158
D4_______________74,130
D4S______________27,884
D5_______________23,430+
D100____________30,2765
D200____________72,5085
D300____________58,8744
D300S___________31,1167
D500____________110,759+
D700____________536,297
D800____________346,903
D800E____________76,540
D810____________257,217
D810A_____________2,306
D850_____________73,967+
Df________________57,812
D600____________234,630
D610____________614,192
D750____________457,373+
Update – here is another selection (also from dpreview):
DX (total) – 28,557,604
- D5100 – 2,873,411
- D90 – 2,710,617
- D3200 – 2,018,969
- D60 – 1,972,352
- D40X – 1,896,857
- D7000 – 1,540,780
- D80 – 1,446,500
- D3000 – 1,440,627
- D5300 – 1,386,948
- D3100 – 1,272,154
- D5200 – 1,258,987
- D3300 – 1,102,429
- D50 – 857,398
- D7100 – 841,166
- D70 – 789,423
- D200 – 725,085
- D40X – 617,196
- D70S – 594,140
- D300 – 588,744
- D5500 – 494,928
- D5000 – 408,435
- D7200 – 401,763
- D300S – 311,167
- D100 – 302,765
- D3400 – 285,784
- D500 – 110,759
- D7500 – 71,258
- D2X – 66,839
- D1X – 47,109
- D2H – 39,823
- D1 – 37,759
- D2XS – 25,211
- D1H – 12,383
- D2HS – 7,838
FX (total) – 2,966,457
- D610 – 614,192
- D700 – 536,297
- D750 – 457,373
- D800 – 346,903
- D810 – 257,217
- D600 – 234,630
- D3 – 95,390
- D800E – 76,540
- D4 – 74,130
- D850 – 73,967
- D3S – 65,228
- Df – 57,812
- D4S – 27,884
- D5 – 23,430
- D3X – 23,158
- D810A – 2,306
Z (total) – 73,000
- FTZ adaptor – 73,000
- Z6 – 34,628 (at least)
- Z7 – 7,639 (at least)
Obviously, the sales numbers reported are not 100% accurate – this is just an estimation based on serial numbers reported by Nikon users.