The population of the town has been in decline for the past decade.
The customer's mood began to decline when she learned that the item she wanted was out of stock.
I'm sorry, I have to decline the invitation to the party because I have a previous engagement.
The company's sales have been on a steady decline since the economic crisis.
The doctor said that my health is in decline and I need to take better care of myself.
The health of the patient has started to decline after a week of being admitted to the hospital.
The company's profits have been on the decline since the last quarter.
After much consideration, she had to decline the job offer as it required too much traveling.
The number of tourists visiting the beach town has shown a steady decline this year.
Due to lack of rain, crop yield is expected to decline significantly this season.
She declined the invitation to the party as she had prior commitments.
The customer's demand for the product has been on the decline since last year.
The company's profits have been declining steadily over the past few months.
The population of certain endangered species has been in decline due to habitat loss and poaching.
Due to the decline in funding, the project has been put on hold for the time being.
As we age, our cognitive abilities often begin to decline, making it more difficult to learn new information or retain memories.
The doctor advised the patient to make some lifestyle changes to help slow the decline of their health.
Despite the initial success of the marketing campaign, sales began to decline rapidly after the first few weeks.
The company's reputation took a sharp decline after a series of scandals and lawsuits.
The decline of traditional industries in the region has resulted in high levels of unemployment and economic instability.
Despite the decline in the number of tourists visiting the city, the hotel occupancy rates remain high.
The company's profits have been in decline for the past few years due to increased competition.
The government's efforts to reduce carbon emissions have helped to slow down the decline of the environment.
The decline in his health has forced him to retire from his job.
The politician's approval rating began to decline after the scandal broke out.
Despite the decline in sales, the company continued to innovate and introduce new products to the market.
The decline in civil liberties and human rights in some countries is a cause for grave concern among international organizations.
Despite the decline in traditional print media, many newspapers have successfully transitioned to digital platforms.
The decline in global oil prices has had a significant impact on the economies of oil-producing countries.
The decline in biodiversity is a major concern for environmentalists and conservationists.