The number of meetup groups in the Chapter program on a given date and the number of groups that joined during a given time period.
Total meetup groups in the chapter program as of Dec 31st, 2018
| Country | # of Groups | # of Members (non-unique) |
| us | 114 | 140,999 |
| in | 27 | 56,937 |
| es | 24 | 33,824 |
| de | 21 | 18,978 |
| it | 18 | 14,209 |
| jp | 16 | 9,379 |
| ca | 13 | 16,178 |
| nl | 12 | 9,802 |
| gb | 11 | 10,173 |
| ng | 11 | 9,291 |
| au | 10 | 16,577 |
| fr | 9 | 8,645 |
| br | 8 | 12,958 |
| id | 7 | 12,060 |
| ch | 7 | 4,102 |
| ph | 6 | 7,896 |
| np | 5 | 4,422 |
| co | 5 | 6,880 |
| fi | 5 | 3,166 |
| mx | 4 | 6,676 |
| pk | 4 | 14,435 |
| rs | 4 | 4,854 |
| cr | 3 | 5,177 |
| pl | 3 | 1,911 |
| dk | 3 | 2,202 |
| gr | 3 | 3,850 |
| bd | 3 | 5,003 |
| ro | 3 | 2,679 |
| ma | 2 | 2,521 |
| ug | 2 | 4,199 |
| ve | 2 | 862 |
| tw | 2 | 3,716 |
| ec | 2 | 2,662 |
| zw | 2 | 1,016 |
| bg | 2 | 1,016 |
| th | 2 | 3,754 |
| ar | 2 | 3,300 |
| ke | 2 | 3,681 |
| pt | 2 | 4,972 |
| vn | 2 | 1,873 |
| be | 2 | 1,124 |
| cm | 2 | 1,024 |
| eg | 1 | 2,332 |
| sz | 1 | 162 |
| sa | 1 | 2,790 |
| il | 1 | 345 |
| uy | 1 | 1,016 |
| sv | 1 | 672 |
| se | 1 | 2,217 |
| rw | 1 | 796 |
| tr | 1 | 1,747 |
| lr | 1 | 445 |
| bo | 1 | 735 |
| ua | 1 | 1,958 |
| mk | 1 | 987 |
| hk | 1 | 4,035 |
| cz | 1 | 509 |
| lt | 1 | 1,070 |
| tt | 1 | 669 |
| cl | 1 | 1,530 |
| my | 1 | 1,717 |
| jm | 1 | 793 |
| ni | 1 | 1,160 |
| lv | 1 | 438 |
| kh | 1 | 881 |
| pe | 1 | 443 |
| gh | 1 | 2,219 |
| za | 1 | 2,476 |
| sg | 1 | 2,973 |
| gt | 1 | 286 |
| si | 1 | 826 |
| tn | 1 | 456 |
| at | 1 | 1,985 |
| Total | 418 | 519,651 |
New meetup groups that joined the chapter program between Jan 1st, 2018 and Dec 31st, 2018
| Country | # of Groups | # of Members (non-unique) |
| us | 16 | 13,078 |
| jp | 15 | 6,219 |
| ng | 4 | 3,225 |
| in | 3 | 1,328 |
| it | 3 | 2,015 |
| de | 3 | 2,749 |
| np | 3 | 1,651 |
| es | 3 | 2,112 |
| ma | 2 | 2,521 |
| cr | 2 | 1,192 |
| fr | 2 | 2,858 |
| dk | 2 | 533 |
| gb | 2 | 1,089 |
| id | 2 | 2,203 |
| ph | 2 | 935 |
| eg | 1 | 2,332 |
| pl | 1 | 410 |
| ug | 1 | 1,404 |
| ve | 1 | 473 |
| sz | 1 | 162 |
| sa | 1 | 2,790 |
| il | 1 | 345 |
| uy | 1 | 1,016 |
| mx | 1 | 839 |
| sv | 1 | 672 |
| br | 1 | 2,127 |
| tw | 1 | 961 |
| se | 1 | 2,217 |
| ec | 1 | 1,708 |
| rw | 1 | 796 |
| nl | 1 | 424 |
| zw | 1 | 231 |
| bg | 1 | 475 |
| tr | 1 | 1,747 |
| Total | 83 | 64,837 |