Rod Smith
Executive Vice President, Chief Financial Officer & Treasurer at American Tower
Thanks, Steve. Good morning, and thank you for joining today's call. Before I dive into our 2023 financial results and our expectations for 2024, I will highlight a few key achievements from the past year.
First, we closed a successful 2023 with a strong fourth quarter, exceeding our prior outlook midpoints across property revenue, adjusted EBITDA and attributable AFFO per share with full year 2023 results comfortably beating our initial guidance from a year ago. For the year, performance was anchored by continued demand for our diverse global asset portfolio resulting in over 6% consolidated organic tenant billings growth, an acceleration of over 300 basis points as compared to 2022. With our U.S. and Canada and international segments each delivering record colocation and amendment growth of roughly $230 million and nearly $150 million, respectively.
Additionally, we marked another record year of signed new business for CoreSite, supporting digital transformation across diverse workloads and emerging technologies, including more recently, AI use cases. Furthermore, our focus on cost management, combined with the inherent operating leverage in the tower model and certain one-time benefits resulted in attractive year-over-year cash adjusted EBITDA margin expansion, which I'll touch on in a moment.
Second, we continued to strengthen our balance sheet through organic deleveraging and the successful issuance of approximately $7 billion in fixed rate debt. As a result of our 2023 actions, we've extended our average maturity and reduced our exposure to floating rate debt to less than 11% of the total debt stack, down from over 22% at the start of the year. Closing the fourth quarter with net leverage of 5.2 times, we are on track to meet the upper end of our 3 times to 5 times net leverage goal by the end of 2024.
Finally, we concluded the strategic review of our India business earlier this year, reaching a definitive agreement to sell 100% of ATC India to Brookfield, which we will refer to as the India sale. We believe this transaction together with the Mexico fiber and Poland divestitures in 2023 enhances our global portfolio mix and risk profile and positions American Tower for sustained high-quality earnings growth over the long term.
Now let's discuss the details of our full year 2023 results. Turning to Slide 6, full year consolidated property revenue growth was over 5% and nearly 7% on an FX-neutral basis. Tenant billings growth was 7.2% with organic tenant billings growth of 6.3%, complemented by the construction of nearly 3,200 new builds, primarily in our international markets. In the United States and Canada, property revenue growth was over 4%, with organic tenant billings growth of 5.3% or 6.6% excluding Sprint churn.
Our international property revenue grew by over 5%, including organic tenant billings growth of 7.7%, with each segment meeting or exceeding our prior outlook. Additionally, in the fourth quarter, we were able to reverse approximately $38 million of prior revenue reserves associated with customer collections in India, contributing to outperformance versus our prior outlook, closing the year with a net revenue reserve associated with customer collections in India of approximately $28 million.
Finally, our Data Centers segment contributed approximately $835 million to our total property revenue in 2023, representing year-over-year growth of nearly 9%, and as I mentioned earlier, delivering another record year of signed new business.
Moving on, adjusted EBITDA grew nearly 7% or around 7.5% on an FX-neutral basis to over $7 billion. On a consolidated basis, cash adjusted EBITDA margins improved approximately 170 basis points year-over-year to 62.3%, primarily driven by strong organic growth and certain one-time benefits combined with a keen focus on cost management throughout the business, with cash SG&A as a percent of total property revenue down over 30 basis points year-over-year to approximately 7%.
Moving to the right side of the slide, attributable AFFO and attributable AFFO per share grew by over 2% and 1%, respectively. Growth on a per share basis absorbed negative impacts of approximately 7% in financing costs and another 1% from FX.
Now, before I discuss the details of our outlook for 2024, I will start by summarizing a few key highlights and assumptions. First, and as Steve mentioned, we are committed to owning and operating the highest quality portfolio supported by a strong balance sheet. With that commitment in mind, we are focused on continuing to drive compelling organic growth across our diverse portfolio of assets, while maximizing the conversion of topline growth to profitability by taking costs out of the business. Together with reducing our aggregate capital intensity for the second year in a row and maintaining a relatively flat dividend payout in 2024 as compared to 2023, subject to Board approval, we believe these collective actions will maximize recurring cash flow growth, further strengthen our balance sheet, and as a result, accelerate our pathway to financial flexibility and optionality. We'll get into more details shortly.
Next, we are assuming a full year contribution of the India business in our outlook, representing over $1.16 billion in property revenue, $360 million of adjusted EBITDA, and $285 million for unlevered AFFO attributable to AMT common stockholders. Upon closing of the India sale, which we anticipate occurring during the second half of 2024, subject to customary conditions and regulatory approval, we will then revise our outlook assumptions to incorporate the transaction.
For added transparency, we have included Slide 20 in this earnings presentation, which shows the India contributions to our outlook by quarter. Assuming a potential closing on October 1st, 2024, for your reference, we would anticipate a reduction of $295 million and $95 million to our presented outlook midpoints for property revenue and adjusted EBITDA, respectively. Furthermore, we would estimate an approximately $0.09 reduction to attributable AFFO per share, which assumes anticipated proceeds at closing are used to pay down existing indebtedness.
Also within the India segment, we have included approximately $65 million in incremental revenue reserves for the full year, translating to a reduction of $0.14 to attributable AFFO per share. Although we are encouraged by the positive collection results realized in the second half of 2023, we believe it's prudent to take a conservative view at this point in time. Additionally, we've assumed the forward rate curve to support our 2024 interest rate assumptions, including the cost of our floating rate debt and assumptions for refinancing our 2024 senior note maturities.
Lastly, on the FX side, our outlook reflects estimated negative translational impacts of approximately $191 million on property revenue, $132 million for adjusted EBITDA and $82 million for attributable AFFO as compared to 2023.
With that, let's dive into the numbers. Moving to the details on Slide 7. At the midpoint of our outlook, we expect total property revenue of over $11.1 billion, representing an increase year-over-year of greater than 1% and 3% on an FX neutral basis. Our guide includes cash revenue growth of around $200 million in the U.S. and Canada segment and $225 million of FX neutral growth in our international regions, excluding pass through.
We also expect data centers to contribute roughly $80 million of growth in cash revenue in 2024, demonstrating nearly 10% growth year-over-year, excluding the impacts of straight line. Property revenue also includes an approximately $203 million step down in non-cash straight line revenue or approximately 2% headwind to growth partially offset by approximately $28 million increase in pass through. Lastly, as I mentioned in my earlier remarks, we anticipate an FX headwind of nearly 2% or $191 million to consolidated property revenue growth.
Turning to Slide 8, we expect another solid year of organic growth contributions from our U.S. and Canada and International segments. In the U.S. and Canada, we anticipate organic tenant billings growth of approximately 4.7% or 6%, excluding Sprint churn. This expectation includes another healthy year of colocation and amendment growth contributions of $180 million to $190 million, reflecting the expected step down from our record level achievement in 2023 though still approximately 20% higher than our 2016 to 2022 average.
Internationally, starting with Africa, we expect a strong momentum from 2023 to continue with expected organic tenant billings growth of 11% to 12%. This includes colocation and amendment contributions of approximately 7%, along with escalator growth of 8% to 9%, partially offset by churn of around 4%, which would represent a notable year-over-year improvement after incurring the largest impacts from carrier consolidation in 2023.
Turning to Europe, 2024 organic tenant billings growth is expected to be 5% to 6%. On the colocation and amendment front, we anticipate growth of 3% to 4%, an acceleration as compared to 2023. While growth from escalators stand at roughly 3%, consistent with 2023, churn is expected to remain low at around 1%.
In Latin America, consistent with our previous messaging, we expect organic tenant billings growth to step down as compared to 2023 to approximately 2% for the year as churn will remain elevated at around 5%, primarily due to Oi in Brazil. Churn is offset by relatively consistent colocation and amendment activity of approximately 3% and contributions from escalators of approximately 4%.
Finally, in Asia Pacific, we are guiding to approximately 2% organic tenant billings growth in 2024, including colocation and amendment growth of approximately 3.5%, roughly 2.5% from escalators and churn of around 4%.
Moving on to Slide 9. At the midpoint of our outlook, we expect adjusted EBITDA growth of less than 1% and approximately 2.5% on an FX neutral basis, while absorbing a negative impact of over 3% associated with net straight line. Complementing the strong revenue growth trends I mentioned earlier, we're planning to reduce cash SG&A by approximately $30 million as compared to 2023, contributing to cash adjusted EBITDA margin expansion of around 30 basis points. Additionally, our outlook includes an expectation for approximately $17 million in year-over-year gross margin growth from our U.S. services business with the quarterly cadence, suggesting a ramp-up in carrier activity in the second half of the year.
Turning to Slide 10. We expect attributable AFFO per share to grow approximately 5% year-over-year to $10.33 and approximately 6.5% on an FX neutral basis. Growth in cash adjusted EBITDA and a reduction in maintenance capex is partially offset by an increase in financing costs and cash taxes, together with higher minority interest adjustments due to growth in our European and data center JVs.
Moving on to Slide 11, I'll review our capital plans for 2024 and our balance sheet priorities for the upcoming year. In 2024, we will continue to focus on organic growth, quality of earnings and operational efficiency, while prioritizing balance sheet strength, reducing risk and channeling discretionary spending into capital projects that support sustainable earnings growth and yield the most attractive risk-adjusted returns.
Consistent with the messaging, on our third quarter 2023 earnings call, the 2024 plan assumes maintaining an annual common dividend distribution of approximately $3 billion, representing a modest increase on an annual per share basis to $6.48 per share. We also expect to evenly distribute the dividend across each quarter of the year, which would suggest a one-time sequential step down from our fourth quarter 2023 declared dividend of $1.70 to $1.62 in the first quarter of 2024, all subject to Board approval.
In addition, we expect to deploy around $1.6 billion in capex, of which 90% will be discretionary. As Steve highlighted in his remarks, we view the flexibility of our capex deployments with options across a range of geographies and assets to be a distinct competitive advantage for American Tower and our ability to drive sustained attractive returns for our shareholders. In 2024, this means increasing our capex allocation and exposure towards our developed markets. This includes increasing development spend for existing CoreSite data center campuses to $450 million as we seek to replenish the record capacity sold in 2022 and 2023, and maintain appropriate levels of sellable capacity, while continuing to drive attractive targeted stabilized yields in the mid-teens. The balance of the development capex spend will support another year of solid new build volumes internationally, which assumes the construction of 3,000 sites at the midpoint.
Moving to the right side of the slide, and as I mentioned earlier, we made significant progress towards strengthening our balance sheet in 2023 through recurring business growth, augmented with cost discipline and combined with the strategic management of our capital allocation plans, we anticipate meeting the upper end of our 3 times to 5 times net leverage range by year end. Our steadfast commitment to maintaining an investment-grade credit rating and enhancing our balance sheet strength and financial flexibility remains unchanged.
Turning to Slide 12 and in summary, our global business continued to demonstrate solid core growth and resiliency in 2023, augmented by strategic initiatives aimed at enhancing our quality of earnings, driving operational efficiency, and strengthening our already strong balance sheet. We believe successful execution of these initiatives provides a strong foundation for 2024 and enhances our position as a leader in the global communications infrastructure industry. Looking ahead, we are well positioned to capitalize on opportunities, adapt to challenges and deliver compelling risk adjusted returns to our shareholders for years to come.
With that, operator, we can open up the line for questions.