Tab 1.2.
Countries databases
| Geographical level | area in km2 | Number of soil profiles in 2009 | Number of soil profiles in 2015 | number of new profiles | % of increase | key references | |
|---|---|---|---|---|---|---|---|
| Argentina | 2 780 400 | 0 | 2200 | 2200 | 0 | ||
| Australia | 7 692 060 | 281 202 | 290 000 | 798 | 0 | [28–29] | |
| Belgium | 30 528 | 7 020 | 7766 | 746 | 11 | [30] | |
| Cameroon | 475 000 | unknown | 1040 | unknown | uncalculable | ||
| Chile | 756 102 | 0 | 400 | 400 | [31] | ||
| China | 9 629 091 | 23 000 | 25 300 | 2300 | 10 | [32] | |
| Brazil | 8 515 767 | unknown | 6 456 | unknown | uncalculable | [33–36] | |
| Canada | 9 984 670 | 4 050 | 8 615 | 4 565 | 113 | [37–39] | |
| Mexico | 1 964 375 | 22 430 | 22 430 | 0 | 0 | [40] | |
| France (mainland) | 551 500 | 37 937 | 64 123 | 26 186 | 69 | [41–42] | |
| France (French west Indies) | 2 835 | 148 | 682 | 554 | 374 | [43] | |
| France (La Réunion) | 2 512 | 0 | 256 | 256 | uncalculable | [43] | |
| France (Guyana) | 91 000 | 0 | 256 | 256 | uncalculable | [43] | |
| Slovakia | 49 035 | 1 871 | 18 171 | 0 | 0 | [92] | |
| Denmark (Greenland) | 2 166 086 | 0 | 650 | 650 | uncalculable | ||
| (Denmark (mainland) | 43 094 | 2 250 | 12 456 | 10 206 | 454 | [44–45] | |
| Croatia | 56 594 | 6 500 | 6 500 | 0 | 0 | ||
| Russia | 17 098 242 | 0 | 863 | 863 | uncalculable | [46] | |
| Indonesia | 1 910 931 | 0 | 30 867 | 30 867 | uncalculable | [47] | |
| Portugal | 92 090 | 0 | 3 470 | 3 470 | uncalculable | [48] | |
| Scotland | 77 800 | 14 722 | 14 722 | 0 | 0 | [93–94] | |
| Thailand | 513 120 | 244 | 300 | 66 | 27 | ||
| USA | 9 629 091 | 37 937 | 64 123 | 26 186 | 69 | [49–55] | |
| South Korea | 99 828 | 390 | 405 | 15 | 4 | [56–58] | |
| The Netherlands | 37 354 | 7 859 | 7 965 | 106 | 1 | [59–60] | |
| Hungary | 93 030 | 10 898 | 45 068 | 34 170 | 314 | [61–64] | |
| Ireland | 70 273 | 430 | 667 | 237 | 55 | [65–66] | |
| Finland | 338 424 | 36 | 36 | 0 | 0 | [67] | |
| Iran | 1 648 195 | 0 | 25 909 | 25 909 | uncalculable | [68] | |
| Japan | 377 930 | 0 | 7 150 | 7 150 | uncalculable | [69] | |
| India | 3 287 363 | 88 900 | 91 900 | 3 000 | 3 | ||
| Nigeria | 923 768 | 1 634 | 1 825 | 191 | 12 | [70–73] | |
| England&Wales | 151 000 | 5 518 | 10 796 | 5 278 | 96 | [74–75] | |
| New Zealand | 270 467 | 2 990 | 7 651 | 4 661 | 156 | [76–79] | |
| Greece | 131 957 | 0 | 200 | 200 | uncalculable | [80] | |
| Romania | 238 391 | 3 338 | 3 839 | 501 | 15 | [81–84] | |
| Switzerland | 41 290 | 0 | 6 000 | 6 000 | uncalculable | [92] | |
| Ukraine | 603 548 | 1 500 | 2 075 | 575 | 38 | [85] | |
| Uruguay | 176 215 | 1 386 | 1 556 | 170 | 12 | ||
| NorthenTunisia | 2 822 | 0 | 180 | 180 | uncalculable | [86] | |
| Latvia | 64 589 | 0 | 746 | 746 | uncalculable | [87] | |
| Luxembourg | 2 593 | 805 | 860 | 55 | 7 | ||
| Morocco | 710 850 | 394 | 1 106 | 712 | 181 | ||
| Sri Lanka | 65 610 | 118 | 118 | 0 | 0 | [88–90] | |
| Slovenia | 20 273 | 1 899 | 1 975 | 76 | 4 | ||
| Czech Republic | 78 866 | 3 500 | 4 110 | 610 | 17 | [84] | |
| South Africa | 1 220 000 | 16 000 | 17 750 | 1 750 | 11 | [91] | |
| Total world databases | 10 250 | 117 456 | 107 206 | 1046 | |||
| Total countries data bases | 565 507 | 821 533 | 256 026 | 45 |