The ALMA cycle 10 proposal submission statistics again saw some new records. The number of overall submitted proposals for all arrays was 1679 – with 91 as ACA stand-alone projects and 44 large programs (compared to 40 large programs in Cycle 9). Even though the total number of submitted proposals is lower than for the previous two cycles (1769 proposals in Cycle 9) the overall time requested actually surged again, with over 29,000 hours requested on the 12-m array. The region that saw the highest number of proposals submitted was (again) Europe with a request of 12,177 hours on the 12-m array, also now withstanding the highest oversubscription (8.4), followed by North America (9196 hours, oversubscription of 6.4) , East Asia (5940 hours, oversubscription of 6.2) and Chile (1508 hours, oversubscription of 3.5). The percentages of proposals for the 12-m array per region, science category, and requested receiver band for regular (top) and large programs (bottom) are shown in the figure below.
A novelty of Cycle 10 was the introduction of Joint proposals, which resulted in a great success for the observatory: there were 26 proposals submitted to ALMA jointly with JWST, 10 with VLA and another 10 with the VLT, of which 3 proposals requested time in 2 or more partner observatories.
The final accepted list of proposals contained four large programs (in the categories of planetary science, high-mass star formation, and galaxies (mid- and high-redshift), four joint proposals for which ALMA is the main observatory (with the VLA and JWST), and six VLBI proposals. Despite the high oversubscription, the statistics for the Netherlands were also positive, with 15 PI proposals accepted (for 36 submitted) and a much wider 96 proposals accepted as collaborators. Of the 7300 hours requested for the 12m array, ~ 3200 hours were awarded in Category 1 (High-z Universe), ~1600 hours in Category 2 (Galaxies), ~850 hours in Category 3 (Star Formation), ~1400 hours in Category 4 (Disks) and finally ~300 hours were awarded in Category 5 (Stars).
You can find more information about the ALMA Cycle 10 statistics at this link: https://almascience.eso.org/documents-and-tools/cycle10/cycle-10-proposal-submission-statistics