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 | 115 | 139,680 |
| in | 27 | 51,316 |
| es | 24 | 32,396 |
| de | 21 | 18,218 |
| it | 18 | 13,646 |
| jp | 16 | 8,797 |
| ca | 13 | 15,732 |
| nl | 12 | 9,330 |
| ng | 11 | 8,433 |
| gb | 11 | 9,682 |
| au | 10 | 16,210 |
| fr | 9 | 8,392 |
| br | 8 | 12,015 |
| ch | 7 | 3,932 |
| id | 7 | 10,985 |
| ph | 6 | 7,057 |
| co | 5 | 6,681 |
| np | 5 | 3,879 |
| fi | 5 | 2,983 |
| rs | 4 | 4,774 |
| pk | 4 | 13,513 |
| mx | 4 | 6,279 |
| bd | 3 | 4,694 |
| gr | 3 | 3,702 |
| ro | 3 | 2,587 |
| dk | 3 | 2,174 |
| pl | 3 | 1,737 |
| cr | 3 | 4,997 |
| ar | 2 | 3,176 |
| ke | 2 | 3,368 |
| pt | 2 | 4,716 |
| vn | 2 | 1,848 |
| be | 2 | 1,062 |
| cm | 2 | 926 |
| ma | 2 | 2,372 |
| th | 2 | 3,543 |
| ug | 2 | 3,514 |
| zw | 2 | 976 |
| bg | 2 | 961 |
| ve | 2 | 849 |
| ec | 2 | 2,637 |
| tw | 2 | 3,559 |
| kh | 1 | 864 |
| my | 1 | 1,595 |
| jm | 1 | 795 |
| ni | 1 | 1,083 |
| lv | 1 | 419 |
| gh | 1 | 2,176 |
| pe | 1 | 436 |
| eg | 1 | 2,251 |
| za | 1 | 2,462 |
| sg | 1 | 2,812 |
| gt | 1 | 253 |
| si | 1 | 812 |
| tn | 1 | 454 |
| cl | 1 | 1,448 |
| tr | 1 | 1,747 |
| tt | 1 | 668 |
| lt | 1 | 1,045 |
| cz | 1 | 479 |
| hk | 1 | 3,864 |
| mk | 1 | 858 |
| sz | 1 | 151 |
| sa | 1 | 2,768 |
| il | 1 | 346 |
| uy | 1 | 1,005 |
| ua | 1 | 1,948 |
| sv | 1 | 631 |
| se | 1 | 2,214 |
| bo | 1 | 704 |
| lr | 1 | 443 |
| rw | 1 | 715 |
| at | 1 | 1,945 |
| Total | 419 | 496,719 |
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 | 12,795 |
| jp | 15 | 5,770 |
| ng | 4 | 2,603 |
| np | 3 | 1,319 |
| de | 3 | 2,538 |
| es | 3 | 1,846 |
| in | 3 | 1,085 |
| it | 3 | 1,910 |
| ph | 2 | 879 |
| id | 2 | 1,793 |
| ma | 2 | 2,372 |
| gb | 2 | 977 |
| cr | 2 | 1,091 |
| fr | 2 | 2,826 |
| dk | 2 | 512 |
| br | 1 | 1,848 |
| bg | 1 | 447 |
| zw | 1 | 205 |
| nl | 1 | 418 |
| rw | 1 | 715 |
| ec | 1 | 1,687 |
| se | 1 | 2,214 |
| tw | 1 | 921 |
| mx | 1 | 709 |
| sv | 1 | 631 |
| uy | 1 | 1,005 |
| il | 1 | 346 |
| sa | 1 | 2,768 |
| eg | 1 | 2,251 |
| sz | 1 | 151 |
| pl | 1 | 300 |
| ug | 1 | 1,165 |
| ve | 1 | 463 |
| tr | 1 | 1,747 |
| Total | 83 | 60,307 |