By 2045, global population will be north of 9 billion with increased urbanization and migration, natural resource stress, improved medical technologies, greater use of robotic labor, and a shift towards lifelong (and increasingly online) learning, according to a recent report from the UK Ministry of Defense.

“Half of the world’s population is under 30 – any development agenda would have to address their needs, including their health needs, as part of accomplishing development goals,” said Jennifer Adams, deputy assistant administrator at USAID’s Bureau for Global Health, at the Wilson Center on September 24. [Video Below]

“During the liberation war,” Rwandan President Paul Kagame said in a 2010 speech, “soldiers used to sing a song praising the mothers who had carried them on their backs as babies, nurtured them, and taught them the values that ultimately informed the vision for this nation.”

Seasoned demography geeks know to anticipate the release of the UN Population Division’s World Population Prospects in the spring of odd-numbered years. An off-cycle update published last month in Science, summarizing new results and methodological changes to the projections, therefore provoked a buzz of interest and a mini-flurry of media coverage.

As the dust settles on an exciting United Nations General Assembly (UNGA), I finally have an opportunity to reflect on all that went down, and what it means for the post-2015 development process moving forward.