Si Romero ay mayroong P7.9 billion na net worth base sa summary ng latest (Dec. 2018) na Statements of Assets, Liabilities, and Net Worth (SALNs) ng mga mambababatas.
Pumapangalawa naman si Negros Occidental 3rd District Rep. Alfredo Benitez na may net worth na P1.017 billion.
Ikatlo namang pinakamayaman si Ilocos Norte 2nd District Rep. Imelda Marcos na may P924 million na deklaradong net worth.
Bumubuo naman sa top 10 na pinakamayayamang kongresista sina:
4. Quezon City 4th District Rep. Feliciano Belmonte Jr. (864.5 million)
5. Manila Teachers Rep. Virgilio Lacson (794 million)
6. Marikina 1st District Rep. Bayani Fernando (748 million)
7. Davao del Norte 2nd District Rep. Antonio Floirendo Jr. (P715 million)
8. Batangas 6th District Rep. Vilma Santos-Recto (P555 million)
9. Leyte 1st District Rep. Yedda Romualdez (P488 million)
10. House Speaker and Pampanga 2nd District Rep. Gloria Macapagal-Arroyo (P480 million)
Ang mga mambabatas naman na nasa bottom 10 o may pinakamabababang halaga ng deklaradong net worth ang mga sumusunod:
1. Gabriela Rep. Emmi de Jesus – P1,895,000
2. Bayan Muna Rep. Carlos Zarate – P1,710,048
3. Coop-Natcco Rep. Sabiniano Canama – P1,515,634
4. Anakpawis Rep. Ariel Casilao – P913,350
5. ACT Teachers Rep. France Castro – P912,809
6. Diwa Rep. Pepito Pico – P680,000
7. Gabriela Rep. Arlene Brosas – P518,660
8. Camarines Sur 3rd District Rep. Gabriel Bordado Jr. – P515,658
9. Kabayan Rep. Paul Hernandez – P340,000
10. Kabataan Rep. Sarah Elago – P85,400