Aantal inwoners van 18-23 jaar in Holland Rijnland in 2011-2022.
| regio | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 13550 | 13373 | 13217 | 12837 | 12723 | 12486 | 12533 | 12732 | 13024 | 13393 | 13430 | 13532 | |
| 1 | Hillegom | 1413 | 1362 | 1320 | 1290 | 1248 | 1197 | 1219 | 1262 | 1368 | 1405 | 1367 | 1440 |
| 2 | Katwijk | 5250 | 5200 | 5111 | 4954 | 4933 | 4791 | 4699 | 4699 | 4735 | 4760 | 4846 | 4833 |
| 3 | Lisse | 1572 | 1533 | 1512 | 1448 | 1463 | 1448 | 1453 | 1399 | 1423 | 1503 | 1504 | 1526 |
| 4 | Noordwijk | 2866 | 2869 | 2823 | 2750 | 2698 | 2620 | 2698 | 2816 | 2880 | 3022 | 2957 | 2964 |
| 5 | Teylingen | 2449 | 2409 | 2451 | 2395 | 2381 | 2430 | 2464 | 2556 | 2618 | 2703 | 2756 | 2769 |
| 6 | 18953 | 19433 | 20283 | 20748 | 20731 | 20945 | 21280 | 21462 | 21360 | 21237 | 20968 | 21357 | |
| 7 | Leiden | 13617 | 14069 | 14889 | 15477 | 15634 | 15797 | 16079 | 16215 | 15955 | 15665 | 15366 | 15737 |
| 8 | Leiderdorp | 1721 | 1761 | 1730 | 1752 | 1715 | 1795 | 1793 | 1790 | 1800 | 1842 | 1847 | 1834 |
| 9 | Oegstgeest | 1647 | 1543 | 1568 | 1430 | 1323 | 1331 | 1341 | 1399 | 1473 | 1530 | 1518 | 1578 |
| 10 | Voorschoten | 1341 | 1384 | 1440 | 1440 | 1442 | 1424 | 1468 | 1488 | 1527 | 1605 | 1594 | 1575 |
| 11 | Zoeterwoude | 627 | 676 | 656 | 649 | 617 | 598 | 599 | 570 | 605 | 595 | 643 | 633 |
| 12 | 10977 | 11074 | 11070 | 11000 | 10893 | 10820 | 10839 | 11100 | 11573 | 11774 | 11768 | 11866 | |
| 13 | Alphen a/d Rijn | 7255 | 7274 | 7265 | 7232 | 7209 | 7183 | 7210 | 7385 | 7749 | 7851 | 7829 | 7942 |
| 14 | Kaag en Braassem | 1786 | 1821 | 1814 | 1784 | 1744 | 1720 | 1707 | 1746 | 1843 | 1912 | 1918 | 1901 |
| 15 | Nieuwkoop | 1936 | 1979 | 1991 | 1984 | 1940 | 1917 | 1922 | 1969 | 1981 | 2011 | 2021 | 2023 |
| totaal | 43480 | 43880 | 44570 | 44585 | 44347 | 44251 | 44652 | 45294 | 45957 | 46404 | 46166 | 46755 |
Bron: Centraal Bureau voor de Statistiek (CBS)