The country registered 91 more Covid-19 fatalities and 21,088 new cases during the previous 24 hours, the Public Health Ministry announced on Tuesday morning.
This compared with the 97 coronavirus-related fatalities and 24,892 new cases reported on Monday morning.
The figures did not include 10,884 positive results from antigen tests over the past 24 hours. This would raise the total to 31,972.
The 91 new fatalities were between the ages of five months and 96 years old and included a Myanmar national.
Bangkok had 17 new deaths while there were also four in adjacent Samut Prakan province.
Other central plain provinces further from the capital recorded 22 deaths - six in Lop Buri, three each in Sa Kaeo, Chon Buri and Rayong, two in Trat and one each in Saraburi, Chachoengsao, Prachin Buri, Phetchaburi and Suphan Buri.
The Northeast had 19 fatalities - six in Si Sa Ket, two each in Chaiyaphum, Buri Ram, Sakon Nakhon, Yasothon, and Ubon Ratchathani and one each in Nong Bua Lam Phu, Surin and Loei.
The South reported 15 deaths - three each in Phatthalung and Songkhla, two in Nakhon Si Thammarat and one each in Krabi, Surat Thani, Trang, Satun, Yala, Narathiwat and Pattani.
The North saw 14 more coronavirus-related fatalities - four in Kamphaeng Phet, three in Sukhothai, two in Phetchabun and one each in Tak, Lampang, Chiang Mai, Chiang Rai and Phayao.
There were 20,971 new cases in the general population, 24 among prison inmates and 93 imported cases.
Of the new infections in the general population, 20,710 were confirmed at hospitals and 261 via mass testing.
Bangkok had the most new cases at 3,286, followed by 1,076 in Chon Buri, 925 in Nonthaburi, 884 in Samut Prakan, 679 in Nakhon Si Thamnarat, 629 in Samut Sakhon, 583 in Nakhon Pathom, 518 in Buri Ram, 517 in Rayong and 491 in Songkhla.
The 93 imported cases came from 22 countries and included 26 from the United Kingdom, 12 from Cambodia, nine from Saudi Arabia, seven from Germany and four from Finland.
On Monday 250,145 people received Covid-19 treatment (down from 256,667 on the previous day) - 64,048 at hospitals (up from 63,348), including 1,862 seriously ill patients with lung inflammation (up from 1,858) and 781 dependent on ventilators (up from 769).
The 24-hour period also saw 27,519 Covid-19 patients discharged from hospitals after recovering from the coronavirus.
Since the pandemic started in early 2020, there have been 3,757,575 Covid-19 cases, including 1,534,140 this year, with 3,481,827 complete recoveries to date.
The death toll stood at 25,603 since the beginning of the pandemic, including 3,905 so far this year.
Global Covid-19 cases rose by 724,307 in 24 hours to 492.78 million. The worldwide death toll went up by 2,397 to 6.17 million.
Over the past seven days, South Korea had the most cases of 1.99 million, followed by Germany with 1.30 million cases, France with 966,472 cases and Vietnam with 495,255 cases.