Sample size by country
Countries reporting
80
Highest
1.79 million
Brazil
Lowest
6,022
Luxembourg
Median
28,404
Years covered
23
2000–2022
Data points
1,012
What the numbers show
Sample size is currently reported for 80 countries. The highest value is 1.79 million in Brazil; the lowest is 6,022 in Luxembourg.
The median across all reporting countries is 28,404, and the mean is 102,062.
The gap between the highest and lowest reporting country is a factor of about 297.
Over the past decade 42 countries rose and 36 fell. The largest increase was in Montenegro (up 1,346.4%), and the largest decrease in Honduras (down 73.2%).
Sample size: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Brazil | 1.79 million | 2017 | up 503.8% | volatile |
| 2 | Vietnam | 601,849 | 2019 | up 1,117.5% | volatile |
| 3 | Colombia | 584,187 | 2020 | down 1.5% | volatile |
| 4 | Turkey | 366,551 | 2019 | up 0.1% | volatile |
| 5 | Uruguay | 362,280 | 2020 | up 252.5% | volatile |
| 6 | Pakistan | 333,856 | 2020 | up 123.7% | volatile |
| 7 | India | 320,070 | 2019 | down 2.1% | rising |
| 8 | Mexico | 311,771 | 2020 | up 308.2% | volatile |
| 9 | Peru | 253,755 | 2021 | up 258.3% | volatile |
| 10 | Philippines | 247,592 | 2019 | up 83.1% | volatile |
| 11 | Egypt | 217,356 | 2019 | up 566.2% | volatile |
| 12 | Morocco | 187,422 | 2009 | — | flat |
| 13 | Chile | 151,315 | 2020 | down 21.9% | falling |
| 14 | El Salvador | 148,455 | 2021 | up 147.6% | volatile |
| 15 | South Africa | 146,461 | 2020 | down 37.9% | rising |
| 16 | Jordan | 143,366 | 2016 | down 13.1% | rising |
| 17 | Venezuela | 113,925 | 2006 | up 113.6% | rising |
| 18 | Ethiopia | 107,500 | 2021 | up 117.6% | volatile |
| 19 | Costa Rica | 103,296 | 2021 | up 236.4% | volatile |
| 20 | United States | 99,602 | 2018 | down 8.2% | falling |
| 21 | Bangladesh | 84,095 | 2015 | down 28.3% | falling |
| 22 | Tunisia | 79,140 | 2015 | up 90.2% | volatile |
| 23 | Afghanistan | 69,333 | 2019 | down 10.9% | rising |
| 24 | Argentina | 67,438 | 2020 | down 2.4% | rising |
| 25 | Sri Lanka | 67,088 | 2016 | up 29.7% | rising |
| 26 | Bolivia | 60,100 | 2021 | up 167.3% | volatile |
| 27 | Guatemala | 49,380 | 2019 | up 21.9% | rising |
| 28 | Ecuador | 46,880 | 2020 | down 20.7% | rising |
| 29 | Tanzania | 43,006 | 2020 | up 352.6% | flat |
| 30 | Zambia | 40,980 | 2015 | down 37.1% | falling |
| 31 | Italy | 38,327 | 2019 | down 11.1% | falling |
| 32 | Paraguay | 36,477 | 2021 | up 165.2% | rising |
| 33 | Rwanda | 34,881 | 2020 | down 9.1% | volatile |
| 34 | Bosnia and Herzegovina | 34,500 | 2019 | up 47.2% | rising |
| 35 | Cambodia | 34,438 | 2012 | down 10.2% | rising |
| 36 | Georgia | 32,954 | 2013 | down 2.8% | falling |
| 37 | Poland | 32,490 | 2020 | up 13.8% | falling |
| 38 | Spain | 31,218 | 2020 | up 2.4% | flat |
| 39 | Panama | 29,323 | 2021 | down 8.9% | falling |
| 40 | Greece | 28,878 | 2020 | up 95.3% | volatile |
| 41 | Armenia | 27,930 | 2021 | up 9.2% | falling |
| 42 | Cameroon | 27,227 | 2022 | up 38.4% | falling |
| 43 | Namibia | 25,767 | 2015 | up 109.9% | rising |
| 44 | Portugal | 24,236 | 2020 | up 113.0% | rising |
| 45 | Mongolia | 23,328 | 2021 | down 24.6% | rising |
| 46 | United Kingdom | 22,770 | 2017 | up 30.3% | rising |
| 47 | Montenegro | 22,766 | 2011 | up 1,346.4% | volatile |
| 48 | Slovenia | 20,994 | 2020 | down 16.8% | rising |
| 49 | Ukraine | 20,805 | 2013 | up 0.9% | flat |
| 50 | Albania | 20,435 | 2012 | up 72.8% | rising |
| 51 | France | 19,925 | 2020 | down 4.6% | flat |
| 52 | Mauritius | 19,379 | 2017 | down 39.8% | rising |
| 53 | Finland | 18,434 | 2020 | down 12.8% | falling |
| 54 | Maldives | 17,280 | 2019 | up 114.2% | rising |
| 55 | Australia | 17,197 | 2015 | up 28.5% | rising |
| 56 | Honduras | 16,924 | 2019 | down 73.2% | volatile |
| 57 | Moldova | 16,850 | 2015 | up 331.7% | volatile |
| 58 | Croatia | 16,658 | 2020 | up 95.7% | rising |
| 59 | Czechia | 15,812 | 2020 | down 13.2% | flat |
| 60 | Romania | 15,535 | 2020 | down 3.9% | volatile |
| 61 | Dominican Republic | 15,321 | 2019 | down 27.6% | flat |
| 62 | Bulgaria | 14,980 | 2019 | up 13.9% | rising |
| 63 | Niger | 14,865 | 2014 | down 31.8% | rising |
| 64 | Serbia | 13,223 | 2020 | up 11.6% | flat |
| 65 | Belgium | 13,113 | 2020 | up 11.0% | rising |
| 66 | Palestine | 12,628 | 2017 | down 39.2% | falling |
| 67 | Switzerland | 12,513 | 2020 | down 3.4% | flat |
| 68 | Estonia | 12,411 | 2020 | up 10.6% | rising |
| 69 | Hungary | 12,229 | 2020 | down 40.8% | falling |
| 70 | Slovakia | 12,026 | 2020 | down 14.7% | flat |
| 71 | Denmark | 11,548 | 2020 | — | flat |
| 72 | Latvia | 11,074 | 2020 | down 14.8% | falling |
| 73 | Russia | 10,494 | 2016 | up 21.1% | rising |
| 74 | Austria | 10,409 | 2020 | down 9.4% | falling |
| 75 | Lithuania | 9,881 | 2020 | down 14.9% | falling |
| 76 | Cyprus | 9,269 | 2020 | up 1.8% | rising |
| 77 | Ireland | 8,341 | 2020 | down 5.2% | falling |
| 78 | Malta | 8,323 | 2020 | down 4.5% | flat |
| 79 | Iceland | 6,943 | 2013 | up 5.2% | rising |
| 80 | Luxembourg | 6,022 | 2020 | down 41.2% | flat |