Even within millennial groups in the US and Europe, it is among the middle and upper classes where birthrates are mostly falling.

Source: https://www.theguardian.com/commentisfree/2023/feb/11/why-a-shortage-of-mr-rights-means-single-mothers-hold-the-key-to-the-falling-birthrate

Fortnum's sold it as a luxury food only available for the wealthy upper classes as a convenient snack while they were travelling.

Source: https://www.dailymail.co.uk/news/article-11566183/Map-reveals-surprising-British-birthplaces-global-cuisines-Balti-lasagne.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

The more the middle and upper classes claim as their share of the federal bounty, the less remains for the poor.

Source: https://spokesman-recorder.com/2023/12/21/why-are-the-poor-still-with-us/

There are always stories about royalty and the lead parliamentarians, but there’s not so much focus given to the people themselves, even the upper classes who found themselves involved but weren’t necessarily really part of it.”

Source: https://www.theguardian.com/uk-news/2023/jan/21/coleshill-towers-remains-history-english-civil-war