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 | 120,315 |
| in | 27 | 51,165 |
| es | 24 | 31,097 |
| de | 21 | 16,789 |
| it | 18 | 12,099 |
| jp | 16 | 8,851 |
| ca | 13 | 13,985 |
| nl | 12 | 8,675 |
| gb | 11 | 9,120 |
| ng | 11 | 8,224 |
| au | 10 | 14,626 |
| fr | 9 | 7,673 |
| br | 8 | 10,117 |
| id | 7 | 9,232 |
| ch | 7 | 3,784 |
| ph | 6 | 6,762 |
| np | 5 | 4,490 |
| co | 5 | 5,456 |
| fi | 5 | 2,814 |
| mx | 4 | 5,512 |
| pk | 4 | 10,510 |
| rs | 4 | 3,768 |
| cr | 3 | 4,334 |
| pl | 3 | 1,809 |
| dk | 3 | 1,809 |
| gr | 3 | 3,087 |
| bd | 3 | 3,944 |
| ro | 3 | 2,455 |
| ma | 2 | 2,514 |
| ug | 2 | 3,805 |
| ve | 2 | 575 |
| tw | 2 | 3,322 |
| ec | 2 | 2,010 |
| zw | 2 | 770 |
| bg | 2 | 958 |
| th | 2 | 2,876 |
| ar | 2 | 2,521 |
| ke | 2 | 2,835 |
| pt | 2 | 4,593 |
| vn | 2 | 971 |
| be | 2 | 948 |
| cm | 2 | 697 |
| eg | 1 | 2,081 |
| sz | 1 | 119 |
| sa | 1 | 2,499 |
| il | 1 | 276 |
| uy | 1 | 838 |
| sv | 1 | 566 |
| se | 1 | 1,989 |
| rw | 1 | 779 |
| tr | 1 | 1,434 |
| lr | 1 | 176 |
| bo | 1 | 547 |
| ua | 1 | 1,412 |
| mk | 1 | 835 |
| hk | 1 | 3,360 |
| cz | 1 | 433 |
| lt | 1 | 895 |
| cl | 1 | 1,422 |
| my | 1 | 1,379 |
| jm | 1 | 529 |
| ni | 1 | 907 |
| lv | 1 | 382 |
| kh | 1 | 517 |
| pe | 1 | 324 |
| gh | 1 | 2,297 |
| za | 1 | 2,106 |
| sg | 1 | 2,630 |
| gt | 1 | 317 |
| si | 1 | 679 |
| tn | 1 | 274 |
| at | 1 | 1,755 |
| Total | 417 | 445,654 |
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 | 11,354 |
| jp | 15 | 6,064 |
| ng | 4 | 3,683 |
| in | 3 | 2,072 |
| it | 3 | 1,772 |
| de | 3 | 2,290 |
| np | 3 | 2,153 |
| es | 3 | 2,429 |
| ma | 2 | 2,514 |
| cr | 2 | 1,010 |
| fr | 2 | 2,535 |
| dk | 2 | 426 |
| gb | 2 | 977 |
| id | 2 | 2,268 |
| ph | 2 | 726 |
| eg | 1 | 2,081 |
| pl | 1 | 535 |
| ug | 1 | 1,366 |
| ve | 1 | 310 |
| sz | 1 | 119 |
| sa | 1 | 2,499 |
| il | 1 | 276 |
| uy | 1 | 838 |
| mx | 1 | 921 |
| sv | 1 | 566 |
| br | 1 | 1,764 |
| tw | 1 | 817 |
| se | 1 | 1,989 |
| ec | 1 | 1,417 |
| rw | 1 | 779 |
| nl | 1 | 345 |
| zw | 1 | 206 |
| bg | 1 | 522 |
| tr | 1 | 1,434 |
| Total | 83 | 61,057 |