The phrase "a stronger statement on" is correct and usable in written English.
It can be used when discussing the intensity or clarity of a position or opinion regarding a particular topic.
Example: "The author makes a stronger statement on climate change in this chapter compared to the previous one."
Alternatives: "a more emphatic statement regarding" or "a firmer stance on".
In a sense, the success or failure of the Council depended on this document, for many people, including almost every one of the Protestant observers and the American bishops, regarded a strong statement on behalf of religious liberty as one of the touchstones by which the Council would be judged.
Amnesty International has issued a strong statement on the executions of the group, following its lengthy campaign to halt their deaths.
A senior State Department official told reporters that the group of foreign ministers was expected to issue a "strong statement" on Thursday on the need to address the crisis.
The outcome of Mahdi's trial is an important contribution towards a comprehensive response to violent extremism, and a strong statement on the role culture should play.
The prime minister's intervention follows behind-the-scenes pressure from high-profile Conservatives that he make a strong statement on the environmental benefits of EU membership.
Last week in the US president Obama made a strong statement on protecting "net neutrality", which is effectively a way of keeping access to the internet centrally regulated and reasonably open and fair.
Edgar" and the television show "thirtysomething" — posted a strong statement on the truth-out.org Web site, saying that he would shun "Zero Dark Thirty" in the Oscar voting because, as he sees it, the film expresses an "easy tolerance" of torture.
In a strong statement on Friday, the Bishops' Conference of Belgium said it was "extremely shocked by the way in which Bishop Vangheluwe minimized and made excuses for his actions and the consequences for the victims, their family, believers and the entire society".
