There were 32 more Covid-19 fatalities and 2,305 new cases registered during the previous 24 hours, the Public Health Ministry said on Tuesday morning.
There were 2,251 cases in the general population and 54 among prison inmates.
This compared with 18 coronavirus-related fatalities and 2,437 new cases reported on Monday morning.
On Monday, 3,070 Covid-19 patients were discharged from hospitals after recovering from the coronavirus.
Since the pandemic started early last year, there have been 2,214,712 Covid-19 cases, with 2,159,443 complete recoveries so far.
The vast majority of the Covid cases and deaths have occurred since April 1, around when the third wave of Covid-19 began.
The death toll stood at 21,536 during the third wave and 21,630 since the beginning of the pandemic.
The kingdom's 24-hour high of Covid-19 fatalities was 312 recorded on Aug 13. The highest number of cases was 23,418 on Aug 13.
The 32 fatalities were between the ages of 26 and 93 years and included one foreigner, a German national.
Bangkok logged five new deaths while another two were reported in the adjacent province of Samut Prakan.
Other central plain provinces further from the capital recorded 11 more deaths - in Ratchaburi (5), Chanthaburi (2), Chon Buri (2), Lop Buri (1) and Saraburi (1).
The Northeast had two fatalities - in Nong Khai and Udon Thani.
The South reported four more deaths - Trang, Yala, Songkhla and Satun.
The North saw eight more fatalities - in Lampang (4), Chiang Mai (2), Kamphaeng Phet (1) and Nakhon Sawan (1).
The 2,305 new cases included 2,156 local infections and 95 imported cases.
Of the local infections, 2,116 were confirmed at hospitals and 40 via mass testing.
Bangkok had 392 new cases, followed by 214 in Chon Buri, 143 in Nakhon Si Thammarat, 76 in Samut Prakan, 67 in Chiang Mai, 54 in Kalasin, 52 in Trang, 49 in Nakhon Ratchasima, 48 in Phatthalung and 44 in Ubon Ratchathani.
The 95 imported cases consisted of 19 from the United States, 13 from the United Kingdom, eight from France, five each from Spain and Switzerland, four each from Denmark, Ethiopia, Germany, Russia and the United Arab Emirates, three each from Australia, Japan and Sweden, two each from Kazakhstan, India and Swaziland, and one each from Myanmar, Czech, Estonia, Ireland, South Korea, Kyrgyzstan, the Netherlands, Nigeria, Poland and Tanzania.
On Monday 33,639 people received Covid-19 treatment at hospitals, including 717 seriously ill patients and 176 dependent on ventilators.
Global Covid-19 cases rose by 730,000 in 24 hours to 281.82 million. The worldwide death toll went up by 4,646 to 5.42 million. The US had the most cases at 53.74 million, up 213,050, and the most deaths at 839,429, up 654.